Percent Increase
During elementary school, Kinsley received a weekly allowance of $10 for completing all of her chores. These days she receives 30% more. What is Kinsley's weekly allowance now?
$13
Justine is a sophomore at Springfield College. Last year, tuition was $5,900 per semester. This year, she paid $5,782 for each semester. What was the percent decrease in the cost of tuition?
2%
Find the value of this expression:
–1 + –4
-5
Find the value of this expression:
-5*6
-30
This term refers to the constant value of the ratio between two proportional quantities (AKA the unit rate)
Constant of proportionality (C.O.P)
Kendrick, an NFL running back, rushed for an average of 70 yards per game last season. This season, his average is 30% higher. What is his average this season?
91 yards
Juan is a lawyer who used to charge his clients $440 per hour. Juan recently reconsidered his rates and ultimately decided to charge $396 per hour. What was the percent of decrease in the billing rate?
10%
Find the value of this expression:
–3 − 4
-7
Find the value of this expression:
-63/(-7)
9
The grocery store sells apples by the pound. The equation c=1.88p represents the cost, c, of p pounds of apples.
What is the cost of 1 pound of apples?
$1.88
Steve and his family are season ticket holders for their favorite baseball team. Last year, the cost of season tickets was $2,270. This year, the cost is $2,951. What was the percent of increase in the cost of season tickets?
30%
Tea Off served a total of 7,020 cups of chamomile tea to its customers last year. This year, the number served was 40% lower. How many cups of chamomile tea did the cafe serve this year?
4212 Cups
The sum of two numbers is zero. If one of the numbers is -4, what is the other number?
4
Find the value of this expression:
(-2/3)*(1/6)
-2/18 or -1/9
A car is moving at a steady speed on a highway such that the distance it travels is
proportional to the time it has traveled. The car travels a distance of 170 miles in 2.5 hours.
What is the average speed, in miles per hour, of the car?
68 mph
Spencer just measured his pet snake and found out it is 9 inches long. The last time he measured, the snake was 6 inches long. What percent longer is the pet snake now?
50%
Last spring, the average amount of rent paid for apartments in Fairfax was $1,490. This spring, it is $1,341. What is the percent of decrease in the average apartment rent?
10%
On average, ocean temperatures around the world range from -2°C to 32°C.
What is the
difference between the two ocean temperatures?
34°C
What value for x will make this equation true?
-2x=20
McKinley Middle School held a canned food drive for a local food pantry. Before the drive, the principal predicted the students would collect 600 cans of food, but he was pleasantly surprised when they collected 750 cans. What is the percent error for the principal's prediction?
20%
The cheerleading squad at Dayton High School had 15 members with the old coach. Now, with the new coach, there are 18 members on the squad. What is the percent of increase in the squad's size?
20%
This year, Amelia gave 50% fewer performances than she did the previous year, when she gave 490 piano performances. How many performances did Amelia give this year?
245 Piano Performances
What value for x will make this equation true?
-5+x=11
16
A student has a bus pass with a balance of $30.00. Each time the student rides the bus, the balance on the bus pass decreases by $2.25. What is the greatest number of bus rides the student can take using the bus pass?
13 rides
Danielle constructs a scale model of a building with a rectangular base. Her model is 2 inches in length and 1 inch in width. The scale on the model is 1 inch = 47 feet. What is the actual area, in square feet, of the base of the building?
4,418