Adding and Subtracting Decimals Word Problems

#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)

#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)

#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)

#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)

#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)

#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)