How do i write an equation for #17?

let's say we have two phone companies, A and B, A charges $16.95 monthly and $0.05 a minute, B $22.95 monthly and $0.2 a minute.

company A

1 minute...................... $16.95 + 0.05(1)

2 minutes.................... $16.95 + 0.05(2)

3 minutes.................... $16.95 + 0.05(3)

x minutes.................... $16.95 + 0.05(x)

company B

1 minute...................... $22.95 + 0.02(1)

2 minutes.................... $22.95 + 0.02(2)

3 minutes.................... $22.95 + 0.02(3)

x minutes.................... $22.95 + 0.02(x)

when will the cost of each plan be the same?  well, that happens when 16.95 +0.05x = 22.95 + 0.02x.

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step-by-step explanation:

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well there are two answers for that.

1: you need 120 ones then that will equal up to 120.

2: you could also do one 100 and 2 tens.

those are the answers that i have thought of.