Victoriag2626
09.07.2019 •
Physics
What is the recommended amount of time that a teenager should be participating in physical activity a: 30 min b: 60 min c: 45 min d: 15 min
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Ответ:
The answer is B) 60 min.
Ответ:
2x+4y=24
2x+4(15-x)=24
2x+60-4x=24
-2x=-36
x=18
the larger number is 18