Question

divide 64 into two parts such thatone part is 3 times the other​

Answer 1

Let one part be x

other part = 3x

Both the parts have to add up to 64

x + 3x = 64

4x = 64

$x = \frac{64}{4}$

x = 16

Hence 64 should be divided into 16 and 48 so that one part is 3 times the other.

Hope it helps

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[If you want the solutions for all the answers, please do post them again, as the image is not very clear]