Respuesta :

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

answer
4 hours, both plans have same cost of renting
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

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