smart1212
28.07.2019 •
Mathematics
Andrew has 8.85 in dimes and quarters. the number of dimes he has is 3 more than twice his number of quarters. how many quarters does andrew have?
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Ответ:
= (2q+3)+q d = dimes; q = quarters
= 4q+3
8.85 -3= 4q+3 -3
5.85 =4q
5.85/4=4q/4
1.47=q
Ответ:
80.24796 pesos for $3.90 usd