What expression is equivalent of 3 3/4 + 1 1/2

For this case we must find an expression equivalent to:

We have to:

Rewriting the expression:

If we convert to a mixed number we have:

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explanation:

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6 hours 48 min

step-by-step explanation:

68÷5=13.6

13.6×30=408min=6 hours 48 min.

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