19hatch 19hatch

11-11-2017
Mathematics

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a food truck sells salads for 6.50 each and drinks for 2.00 each. The food truck's revenue from selling a total of 209 salads and drinks in one day was 836.50. How many salads were sold that day

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Goliath17 Goliath17

11-11-2017

s+d=209
d=209-s
6.5s+2d=836.5
6.5s+2(209-s)=836.5
6.5s+418-2s=836.5
4.5s+418=836.5
4.5s=418.5
s=93

There were 93 salads sold that day.

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