28-09-2018
Mathematics

contestada

1. Your long distance telephone provider offers two plans. Plan A has a monthly fee of $15 and $0.25 per minute. Plan B has a monthly fee of $20 and $0.05 per minute. Write and solve and equation to find the number of minutes that you must talk to have the same cost for each of the plans.

2. One-third of a number x is equal to 22 less than the number. Write and solve an equation to find the number.

Respuesta :

HappyRogue HappyRogue

29-09-2018

1. 0.25x + 15 = 0.05x + 20
0.20x = 5
x = 25

2. 1/3x = x-22
-2/3x = -22
x = 33

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