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100
There are 28 students in a class. Sixteen of those students are men. What percent of the class are women? (Round to nearest tenth)
What is 42.9% 1. Multiple the opposites 100 x 12 = 1200 2. Divide by the remaining number 42.85 28 1200.00
100
A telephone company charges initially $0.50 and then $0.11 for every minute. Write an expression that gives the cost of a call that lasts N minutes.
What is 0.50 + N * 0.11
100
out of all of these #s which one is prime 2423, 87, 88, or 4
What is 2423
100
6 divided by 3/5 =
What is 10
100
Calculate 35.6 x 8.9
What is 316.84
200
Donovan took a math test and got 35 correct and 10 incorrect answers. What was the percentage of correct answers? (Round to the nearest hundredth)
What is 77.78% 35 correct answers +10 incorrect answers 45 total answers 1. Multiple the opposites 100 x 35 = 3500 2. Divide by the remaining number 77.777 45 3500.000
200
Mary wants to make a box. She starts with a piece of cardboard whose length is 15 centimeters and width is 10 centimeters. Then she cuts 4 congruent squares with sides of 3 centimeters at the four corners and folded at the broken lines to make the box. What is the volume of the box?
What is 108 cubic centimeters
200
which one is composite 47, 53, 49, 67 or 78
What is 78
200
1 and a 1/2 divided by 1/4 =
What is 6
200
Calculate 76.32 x 2.4
What is 183.168
300
Ben earns $12,800 a year. About 15% is taken out for taxes. How much is taken out for taxes?
What is $1920
300
In a bag of small balls 1/4 are green, 1/8 are blue, 1/12 are yellow and the remaining 26 white. How many balls are blue?
What is 6 balls are blue
300
add these #s together what do they = prime or composite 22+33
What is 55= composite
300
6 divided by 1/3 =
What is 18
300
Rugs that were once selling for $304 are now selling for $228. What is the discount, as a percentage?Write your answer using a percent sign %
What is 25%.
400
A crew is made up of 8 men; the rest are women. 66 3 2 % of the crew are men. How many people are in the crew?
What is 12
400
The distance bewteen Harry and Kate is 2500 meters. Kate and Harry start walking toward one another and Kate' dog start running back and forth between Harry and Kate at a speed of 120 meters per minute. Harry walks at the speed of 40 meters per minute while Kate walks at the speed of 60 meters per minute. What distsnce will the dog have travelled when Harry and Kate meet each other?
What is 3000 meters
400
multiply these numbers do they equal prime or composite 3*1003
What is 3009= composite
400
Express 0.85 as a fraction in its lowest terms.
What is 17/20
400
Jessie has some chickens and rabbits. There are 30 heads and 76 legs in all. How many chickens does Jessie have and how may rabbits does Jessie have
What is 22 chickens and 8 rabbits Solution: First assume Jessie has 30 chickens and no rabbits. In that case, there are 60 legs in all (2 x 30 = 60). There are 16 extra legs. 8 rabbits will provide the extra (compared with rabbits' legs) 16 legs. Therefore there are 22 chickens (30-8=22).
500
A baseball pitcher won 80% of the games he pitched. If he pitched 35 ballgames, how many games did he win?
What is 28 games 1. Multiply the opposites 80 x 35 = 2800 2. Divide by the remaining number 28 100 2800
500
The Royals softball team played 75 games and won 55 of them. What percent of the games did they lose? (round to the nearest tenth)
What is 20 55 75 Multiply the opposites: 100 x 20 = 2000 Divide by the remaining number: 26.667 75 2000.000 26.7% games lost
500
is this prime or composite 7-5
What is 2 prime
500
Express 0.64 as a fraction in its lowest terms.
What is 16/25
500
A satellite orbits the earth at a height of 325 kilometers. If it makes 11 revolutions around the earth, how many kilometers does it travel? The earth's diameter is 6371 kilometers. Use pi = 3.14
What is 242505.34 kilometers The diameter of the circle that the satellite travels is 6371 + 2 x 325 = 7021 kilometers; The answer is: 7021 x 3.14 x 11 = 242505.34 kilometers