Ali must choose a number between 61 and 107 that is a multiple of, 2, 4 and 5. Write all the numbers that he could choose.

Question

Dimples

10 January, 23:05

+5

Answers (2)

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Fernando Mcclure · Answer 1

They must all be divisible by the LCM of 2,4 and 5 which is 20

So the required numbers are 80 and 100.

Lena Mitchell · Answer 2

80 is a multiple of all three of those numbers

(2x40) (4x20) (5x16)

100 is also a multiple of all three

(2x50) (4x25) (5x20)