Trevor's dad decided to get him a cell phone for his birthday. Cell Plus has a plan that costs $20.00 per month plus an additional $0.06 per minute. Cell Best has a plan that costs $30.00 per month plus an additional $0.05 per minute. How many minutes can Trevor talk and both cell plans cost the same amount?
Answer
500
50
1000
100

Question

Trevor's dad decided to get him a cell phone for his birthday. Cell Plus has a plan that costs $20.00 per month plus an additional $0.06 per minute. Cell Best has a plan that costs $30.00 per month plus an additional $0.05 per minute. How many minutes can Trevor talk and both cell plans cost the same amount?
Answer
		500
		50
		1000
		100

hunus · Answer

$$20 + .06x = 30 + .05x$$
$$(20 + .06x) - 20 = (30 + .05x) - 20$$
$$( .06x) - .05x = (10 + .05x) - .05x$$
$$\frac{0.01x}{.01} = \frac{10}{.01}$$
$$x=1000$$