Adding & Subtracting Decimals Multi-Step Word Problems

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Guided Example

Dexter weighs 50 kilograms His body contains 30.78 kilograms of oxygen and 4.9 kilograms of hydrogen. The rest is made up of other elements. How many kilograms of other elements are in Dexter's body?

Type the number followed by a SPACE and the label "kilograms"

Now, you will try some examples on your own. Show all work on a separate sheet of paper. There will be directions for each problem on how to type your answer in. Be sure to follow them!

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#1

Last week, Maria worked 1.75 hours on Monday, 2.5 hours on Wednesday, and 4 hours on Friday. How many hours did she work last week?

Type the number followed by a SPACE and the label "hours"

(Ex: If the value is 1.5, type 1.5 hours)

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#2

Bill's normal temperature is 98.6^oF. Today, Bill is sick has a temperature of 102.3^oF. How many degrees above his normal temperature is this?

Type the number followed by a SPACE and the label "degrees"

(Ex: If the value is 1.5, type 1.5 degrees)

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#3

Ms. Tulips bought $56.12 worth of groceries. If she paid with a $100 bill, how much change did she receive?

Type the number followed by a SPACE and the label "$" in front of the number.

(Ex: If the value is 1.5, type $1.50)

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#4

At a restaurant, Mr. Fudge ordered a fish platter for $12.75 and a piece of cheesecake for $2.50. The tax was $0.97. If he left a $3 tip, how much did Mr. Fudge spend in all?

Type the number followed by a SPACE and the label "$" in front of the number.

(Ex: If the value is 1.5, type $1.50)

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#5

At the 1984 Olympics, the United States team set a record in the 400-meter relay. Each racer ra 100 meters. Their times were 10.29 , 9.19 , 9.41 , and 8.94 seconds. What was the record time for the relay?

Type the number followed by a SPACE and the label "seconds".

(Ex: If the value is 1.5, type 1.5 seconds)

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#6

Merlin plans to buy one adult ticket and two children's tickets in the reserved section. If he pays with a $20 bill, how much change should he receive?

Type the number followed by a SPACE and the label "$" in front of the number.

(Ex: If the value is 1.5, type $1.50)

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#7

Tyler bought four candy bars at the store. Three of them weighed 1.16 ounces, 2 ounces, and 1.7 ounces. If the total weight of the four candy bars was 6.24 ounces, how much did the fourth candy bar weigh?

Type the number followed by a SPACE and the label "ounces".

(Ex: If the value is 1.5, type 1.5 ounces)