Question

I need help writing an equation for this problem. please help me

Answer 1

X = hours of renting
30x = 20x + 40
10x = 40
    x = 4

answer
4 hours, both plans have same cost of renting

Answer 2

The first plan 1 hour and the second plan 2 hours which would make both answer 60 so...
30 x 2 = 60
20 + 40 = 60