Mathematics, 28.12.2019 05:31 debk
The owner of a convenience store keeps track of how many customer buy lunch food during the "noon rush" each day for four days and calculates that the mean number of customers for those four days is 52. how many customers must come in on the fifth day to make the five-day mean 54?
a) 54
b) 60
c) 62
Answers: 3
Mathematics, 21.06.2019 18:00
Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items
Answers: 3
Mathematics, 22.06.2019 00:00
How many liters of peroxide should be added to 12 liters of an 8% peroxide solution so that the resulting solution contains 16% peroxide? original added new amount of peroxide 0.96 liters x 0.96 + x amount of solution 12 liters x 12 + x 0.18 liter 1.14 liters 1.92 liters 2.10 liters
Answers: 1
The owner of a convenience store keeps track of how many customer buy lunch food during the "noon ru...
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