Operations with Decimals

Amber saved a total of $3.20 over 5 weeks. She saved the same amount of money each week. How much money did Amber save each week?

• $1.44

• $1.56

• $0.64

• $1.80

A rectangular billboard is 9.35 meters wide and 6.82 meters tall. What is the perimeter of the billboard in meters?

• 16.17 meters

• 32.34 meters

• 63.767 meters

• 25.52 meters

The relationship between numbers in List X and List Y follows the rule y = x + 2.05. Which diagram shows this relationship?

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The table shows the heights and masses of a male gorilla and a female gorilla at a zoo.

Based on the table, which statement is true?

• The combined mass of the male gorilla and the female is 253.782 kg.

• The mass of the male gorilla is 63.507 kg greater than the mass of the female gorilla.

• The female gorilla is 1.28 m shorter than the male gorilla.

• The combined height of the male gorilla and the female gorilla is 2.028 m.

Mia's dog weighs 32.6 pounds. Lettie's dog weighs 3.8 times as much as Mia's dog. What does Lettie's dog weigh in pounds?

• 36.40 lb

• 12.388 lb

• 96.48 lb

• 123.88 lb

The length of a piece of yarn is 19.2 units. Jesse cut the piece of yarn into 4 smaller pieces that were all the same length.

Which expression represents the length of each smaller piece of yarn?

• 19.2 X 4

• 19.2 - 4

• 19.2 ÷ 4

• 19.2 + 4

Mr. Roosevelt has 48 nails that each weigh 1.35 ounces. What is the weight of these nails in ounces?

• 50.4 oz

• 40.4 oz

• 64.8 oz

• 16.2 oz

Scott drank 3.5 bottles of water yesterday. Each bottle contained 1.2 pints of water. What was the number of pints of water Scott drank yesterday?

• 4.7 pints

• 4.2 pints

• 4.1 pints

• 42 pints

Which table could represent the equation y = 0.1x?

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Marsha bought a birthday card for $2.86 and a pen for $1.57. She paid with a $20 bill. How much change should Marsha have received?

• $ 15.57

• $ 24.43

• $ 17.77

• $ 16.57