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Question

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Abby is selling lemonade and cookies. She charges $0.75 for each cup of lemonade and $0.35 for each cookie. Last weekend, Abby sold 5 more cups of lemonade than cookies. She earned $7.05 altogether. How many cups of lemonade did Abby sell last weekend?

Answer 1

L=5+C

C = L-5

.75L + .35C = 7.05

..75L + .35(L-5) = 7.05

.75L +.35L = 7.05 + 1.75

1.1L = 8.8

L = 8 lemonades

C = 3 cookies