Question

A) Twice the difference of a number c and forty.b) Four times the sum of a number f and fifty.

Answer 1

a) We have a number X that is twice the difference of a number c and 40.

We can write this as:

`X=2(c-40)`

b) Four times the sum of a number f and fifty.

Then, X is:

`X=4(f+50)`