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Andrei [34K]
4 years ago
8

When Jonas does his math homework, he spends an average of 3 minutes on each problem. Last night he spent 1.8 hours on his non-m

ath homework, plus he completed 7 math problems. Approximately how much time did Jonas spend in total on all of his homework last night?
Mathematics
1 answer:
tatiyna4 years ago
4 0
1.8hour = 1 hour 48 minute
7 X 3 = 21

1h 48 + 21
108 + 21
129
2 hours 9 minutes
Therefore he spent 2 hours and 9 minutes
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