idahopotato5429
26.08.2021 •
Mathematics
Please evaluate 9^2 - √81
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Ответ:
hope it helps you.........
Ответ:
10/25=2/5
Fraction that you painted in 1 min:
5/25=1/5
Fraction pained by both in 1 min:
1/5+2/5=3/5 ft²/min
Time taken to paint 50 ft² will be:
time=3/5×50=30 min
Thus we conclude that Sam was wrong.