Chemistry, 18.09.2019 22:50 uchechukwueigwe

1. replace ? with a whole number to make the statements true.
a. 20 ÷ 4 ? means ? × 4 = 20
b. 2,725 ÷ 5 ? means ? × 5 = 2,725
c. ? ÷ 5 = 0
2.abc preschool spent $1,475 on diapers this year. if the diapers cost $25 per box, how many boxes did they use?
3.grace, a hairdresser, charges $18 for a haircut and $70 for a perm. she did 36 perms this month. the total amount of money grace took in was $4,608. how many haircuts did grace do this month?
4.mr. and mrs. wilson hosted their daughter’s wedding. they paid $575 to rent a banquet hall and $13 per person for a catered dinner. in all, there were 118 people at the wedding. how much did the wilsons pay for the hall and the food? use inverse operations to check your answer.
5.carmel can drive 320 miles on one tank of gas, and one tankful costs $39. how many tanks of gas will she need to drive 2,240 miles, and how much will it cost? use inverse operations to check your answer.

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1. replace ? with a whole number to make the statements true.
a. 20 ÷ 4 ? means ? × 4 = 20...

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