Sarah wants to run 15 miles per week. In her first four runs of the week, she ran 2.5 miles, 1/2 mile, 6 3/4 mile, and 2 miles. How far does her fifth run need to be in order to meet her goal?
3 1/4 miles
100
The ratios of Kate's purses to Jennie's purses is 7:4. Kate has 21 purses. How many purses does Jennie have?
12 purses
100
Sam bought ice skates on sale for 15% off. The regular price is $75. How much did he pay?
$63.75
100
Maddie has three times as much money as Tom. Tom has half of what Lucy has. Lucy has 7 times as much as Billy. Billy has $1.50.
$15.75
100
The national debt is 970 billion dollars. Write this in scientific notation.
9.7 x 10^11
200
There are 30 students in World History class. 18 are girls. 1/5 of the students are absent. How many are present?
24 students
200
A fence post in Tina's yard is 4 feet tall. When she measured the shadow of the post, it was 12 feet long. The shadow of a tree in Tina's yard is 72 feet long. How tall is the tree?
24 feet tall
200
The Vikings won 9 out of 16 games. What percent did they lose?
43.75%
200
The Math Club makes 35 bars of laundry soap a week and sells these at $2.25 each. Before the soap can all be sold, the pupils found out that 6 bars were destroyed by mice. How much will be the total sale at the end of the month?
$65.25
200
The speed of light is 3 X 10^8 meters/second. The sun is 1.5 X 10^11 meters from earth. How many seconds does it take for light to reach the earth?
5 X 10^2
300
Greg and James bought a pizza. It cost $12.98. Half of it fell on the floor and had to be thrown in the garbage. Greg ate 1/6 of the pizza. How much was left for James? (LOWEST TERMS!)
1/3
300
A recipe requires 7 eggs for every 2 cups flour. If you use 6 cups of flour, how many eggs will you need?
21 eggs
300
Jason had $140 in his wallet. He spent 25% of his money at the bookstore. He then spent 20% of the remainder at the Pizza Palace. How much does he have left?
$84
300
A small factory employs 98 workers. Of these, 10 receive a wage of $225 per day and the rest receive $155 per day. To the management, a week is equal to 6 working days. How much does the factory pay out for each week?
$15,890
300
What is the ratio of the Milky Way's radius to our solar system's radius, given that the Milky Way's radius is 3.9 x 10^20 and the radius of our solar system is 5.9 10^12.
6.6 10^7
400
The Chocolate Factory has to package 60 pounds of chocolate. Each box must contain 3/4 pound of chocolate. Each box is then sold for $3.50. If half of the boxes are sold, how much money with the Chocolate Factory collect?
$140.00
400
A triangle has a perimeter of 90 cm. The ratio of the three sides is: 5:12:13. What is the length of the shortest side?
15 cm
400
In a computer class of 40 students, 60% of the class are boys. 25% of the boys and 50% of the girls are using laptops. How many are using desktops?
26
400
A man worked 53 hours during one week. If his regular hourly rate is $8 per hour and he is paid time-and-a-half for every hour beyond 40 hours, what was his weekly check?
$476
400
The human eye blinks 6.25 x10^6 times each year. How many times has a fourteen year old's eye blinked?
8.75 x 10^7
500
1/2 of a pole is painted red. 1/3 is painted blue. The rest is painted green. Three feet of the pole is painted green. How long is the pole? (TIP: MAKE A DIAGRAM)
18 feet
500
The ratio of the area of a rectangle to the area of a triangle is 2:5. The rectangle has a length of 6 cm and a width of 4 cm. What is the area of the triangle?
60 square cm
500
If a store manager sells a TV for 75% of it's actual cost, the price will be $675. The manager wants to make $125 profit. What should the selling price be?
$1,025
500
Erinn goes shopping. She buys a skirt for $29.99, which is on sale for 20% off. She buys a sweater for $44.95, on sale for 25% off. The rate of tax on clothing is 7.5%. She hands the clerk a $100 bill. How much change does she get?
$62.03
500
A certain kind of bacteria moves very slowly, taking steps that have a distance of 0.0000004 meters each. If this bacteria takes 3,250,000,000 steps, how far does it travel?