Question

Find X in each of the following. a. x:4::21:1​

Answer 1

Answer:

we multiply 21 and 4, then we get 84

so 84 ÷ 1 is 84

so we get the value of x=84

I think so these will help u

Answer 2

Answer:

x:4::21:1

x×1::4×21

1x::84

x:84/1

x:84

hope it helps you ✌️