belle200163
24.08.2019 •
Mathematics
David's bowling score is 5 less than 3 times aaron's score.the sum of their scores is 215.find the sum of each student
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Ответ:
x+y=215
x+3x-5=215
4x-5=215
4x=220
x=55
y=215-55
y=160
Aaron got 55, and David got 160.
Ответ: