Kailealail
Kailealail
14-03-2018
Mathematics
contestada
can I please get help
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Аноним
Аноним
14-03-2018
7.55t + 100 ≥ 160 ( its greater than r equals to 160)
7.55t ≥ 60
t ≥ 7.95
Minimum number of hours = 8 ( to nearest hour).
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