The employees from maintenance go for coffee together every day

at 9 AM. On Monday, Hector paid $5.45 for three cartons of milk,

four cups of coffee and seven doughnuts. On Tuesday, Guillermo

paid $5.30 for four milks, two coffees, and eight doughnuts. On

Wednesday, Anna paid $5.15 for two milks, five coffees, and six

doughnuts. On Thursday, Alphonse had to pay for five milks, two

coffees, and nine doughnuts. How much change did he get back

from his $10 bill?

Question

19 November, 08:38

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Answers (1)

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Kamora Good · Answer 1

A sugestion: calculate m, c, d from:

3m + 4c + 7d = 5.45;

4m + 2c + 8d = 5.30;

2m + 5c + 6d = 5.15;

Then, calculate 10 - (4m + 2c + 9d);