Question

Multiplying a number by 4/5 then dividing by 2/5 is the number same as multiplying by what number ?

Answer 1

2

Explanation:

When we multiply a number by
`(4)/(5)` and then we divide by
`(2)/(5)` we get

`\displaystyle ((4)/(5))/((2)/(5)) =(4)/(5)*(5)/(2)=2`

So, both operations are equivalent to multiply by 2