Respuesta :

the answer is 7×4=28 because 28÷4=7
djmora075
It depends on the rate of rainfall because:

If it is at a rate of:
1 in. per hour, it would take 28 hours
2 in. per hour, it would take 14 hours
4 in. per hour, it would take 7 hours
And so on ...

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