Answer:
the third one
Step-by-step explanation:
it's the only correct one with only addition
12x + 20
2(4x + 6 +2x + 4)
Let one no. be 1x
other be 4x
x+4x=60
5x=60
x=12
4x=4×12
48
hope it helps :)
number 2
The answer is
20x + 17.5
Multiply the 5 by the numbers inside the parenthesis.
5 x 4x
5 x 3.5
