Water tank

In an empty fire tank, 2150 hl of water jetted in 5 hours. How many hectoliters of water was jetted every hour? How many hectoliters of water was in the tank after three hours?

Result

a =  430 hl
b =  1290 hl

Solution:

t=2150 hl a=t/5=2150/5=430 hlt=2150 \ \text{hl} \ \\ a=t/5=2150/5=430 \ \text{hl}
b=3⋅ a=3⋅ 430=1290 hlb=3 \cdot \ a=3 \cdot \ 430=1290 \ \text{hl}

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