Show:
ALL numerical relationsips
Ratios and Proportions
Percents and bars
Back to the basics
Finance
100
Enrique used a formula to find the total cost, in dollars, for repairs he and his helper, Jenny, made to a furnace. The expression below shows the formula he used, with 4 being the number of hours he worked on the furnace and 2 being the number of hours Jenny worked on the furnace. 20+35(4+2)+47
What is 277
100
A farmer harvested 14,000 pounds of almonds from an 8-acre orchard. Write an proportion could be solved to find x, the expected harvest from a 30-acre orchard?
What is Sample answer: 14000/8=x/30
100
A restaurant surveyed 350 people about their favorite side dish. If 40% of the people chose macaroni and cheese, how many people chose macaroni and cheese?
What is 140 people
100
A certain map uses a scale of 1 inch equals 25 miles. How many miles are represented by 5 inches on this map?
What is 125 mile
100
Amy needs to pay a$100 vehicle registration fee. She has $232.75 in her checking account. Determine the effects of using a debit card or a credit card for the purchase.
What is If Amy uses a credit card, she has to pay interest, but her checking account is not immediately affected. If she uses a debit card, the amount will immediately be removed from her checking account, but she will not have to pay interest.
200
At the middle school Vanessa attends, there are 240 Grade 6 students, 210 Grade 7 students, and 200 Grade 8 students. Which ratio best compares the number of students in Grade 8 to the number of students in Grade 6 at Vanessa's school?
What is 5/6 or 5:6
200
At a summer camp, there are 40 boys out of 70 campers. What is the ratio of boys to campers written as a fraction in simplest form?
What is 4/7
200
The original price of a DVD is $22. The sale price is 20% off the original price. What is the amount off the original price?
What is $4.40
200
Fez is a repairman for an appliance company. On Monday he drove 82.1 miles for his repair jobs. On Tuesday he drove 82 1/3 miles, on Wednesday he drove 82 3/10 miles, and on Thursday he drove 82.45 miles. On which day did Fez drive the greatest distance for his repair jobs? Use a problem-solving model to solve.
What is Thursday
200
True or False There is no penalty if a buyer using a debit card spends more than the money in the linked account.
What is false; Penalties are charged if the buyer spends more than the money in the linked account
300
A trash company charges a fee of $80 to haul off a load of trash. There is also a charge of $0.05 per mile the load must be hauled. Write an equation that can be used to find c, the cost for hauling a load of trash m miles?
What is $80 + .05m = c
300
Nicholas bought 5 pens for $3. At this rate, how much will he spend on 8 pens?
What is $4.80
300
What is 6.88 written as a percent?
What is 688%
300
Identify the quadrant that contains the point (–6, –2)
What is Quadrant III
300
Hector wants to attend a two-year community college. The annual tuition is $12,460. He has $18,450 in his savings account and will receive a grant of $1,000 for each year. How much more does Hector need to pay for the tuition for all two years?
What is $4,470
400
Petra installed 10 light fixtures at a new warehouse that was being built. Each of the fixtures required 3 light bulbs. The bulbs come in packages of 5 and cost $8 per package. What was the total cost for the bulbs required for all of the fixtures Petra installed at the warehouse?
What is $48
400
Gina read 120 pages in 4 days. At this rate, how many pages will she read in 5 days?
What is 150 pages
400
Coal contains several elements in addition to carbon. Radium makes up 0.0087 of coal. What is 0.0087 written as a percent?
What is 0.87%
400
Jaden had $70 to spend and used $55 to buy a new baseball glove. Which integer best represents the situation of spending $55?
What is -55
400
Tue or false Debit cards allow the user to withdraw cash.
What is True
500
Henry, who works on the fourth floor of an office building, had to deliver mail to employees who live in the building. To deliver the mail, he walked down to the first floor, then up to the fifth floor, and then back down to his office. What set of integers represents the change in floors as he walked to make each delivery?
What is -3,4,-1
500
The costume designer for the school play uses 4 feet of fabric to make 8 costumes. At the same rate, how many costumes can the designer make with 3 yards of fabric
What is 18 customers
500
During a baseball tournament, Bernard had 70 at bats and had 21 hits. He says he had a hit 35% of his at bats. Is Bernard correct? Explain your reasoning
What is No; he had a hit in or 30% of his at bats
500
Melissa made 19 free throws out of 24 attempts during the basketball game. What was her free-throw average, expressed as a decimal?
What is .7916 repreated
500
Chris wants to become an orthodontist. The number of years to get a degree as an orthodontist is 10 years. The average annual salary is $200,000. If Chris starts college at age 19, gets a job immediately and works until age 64, what will be his lifetime income?
What is $7,400,000