Question

Explain how to use mental math to find the answer to 915 divided by 7

Answer 1

A) 130.7

Take 915

See the first digit, it's 9

7 goes in 9 once so write 1

Remainder is 2

Now see next no 1

So take next no as 21

7 goes in 21 3 times so write 3

Now see 5.

Add 0 and a point

And then it becomes 50

7*7=49

So write 7 after decimal

Hence answer=130.7

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