Ch. 1-2
Ratios, Fractions, Decimals
Ratios, Fractions, Decimals
At a summer camp, there are 40 boys and 30 girls. What is the ratio of girls to total students written as a fraction in simplest form?
3/7
What is 806 divided by 4?
201.5
Which quadrant would the point (-3, 7) be located?
Quadrant II
Which property is illustrated by the statement:
4 + (9 + 12) = (4 + 9) + 12
Associative Property
Solve:
y + 1/2 = 7/10
1/5
Which is larger 3/4 or 80%
80%
A cat can jump five times as high as it is tall. How high could a cat jump if it were 17.4 centimeters tall?
87 centimeters
What is the opposite of the opposite of -5?
-5
What is the value of a + b - c if a = 20, b = 10, and c = 5 1/2 ?
24 1/2
Solve:
e/120 = 30
e = 3600
What is 2.6% written as a decimal?
0.026
A container holds 1/4 gallon of oil. Jonathan is changing the oil on his car and needs 5 containers. How many gallons of oil does Jonathan need?
1 and 1/4 gallons
Write an integer to describe the situation.
Jane lost a twenty dollar bill.
-20
42 × 3 - (24 - 1) ÷ 5
123
An adult male gorilla eats about 50 pounds of vegetation every day. Write an equation to find p, the number of pounds of vegetation an adult male gorilla eats in d days.
p=50d or 50d=p
Which is smaller 0.016 or 0.16%?
0.16%
Mrs. Franks has 45 pounds of grain to divide among the farm animals. If each animal receives 3/4 pound of grain for each feeding, how many times can Mrs. Franks feed her animals?
60 times
Write -18/25 as a decimal.
-0.72
Six friends went to a hockey game. The price of admission per person was $x. Four of the friends bought a soda for $2. Write a simplified expression that represents the total cost.
6x+8
Write an inequality to represent the statement:
band practice (b) will be no longer than 45 minutes.
b ≤ 45
Emily can solve 48 math problems in 12 minutes. Steve can solve 56 problems in 7 minutes. How many more problems can Steve solve per minute?
4 more math problems per minute
Bananas cost $0.49 per pound and grapes cost $1.15 per pound. Leanne bought 3.5 pounds of bananas and 2.4 pounds of grapes. How much did she pay for the bananas and grapes? Round to the nearest cent.
$4.48
Courtney used 25 out of her 30 tickets to select a prize at the arcade. What is this fraction written as a decimal?
0.83 (repeating bar over 3 only)
Simplify the expression:
4(3x + 7y) + 2y + 14
12x + 30y + 14
3/7d = 5/14
d = 5/6