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Bob pays $20 to have the Internet installed and $15 a month for service. How much will Bob pay for 1 year of Internet use?
A.
$180
B.
$200
C.
$240
D.
$420

Respuesta :

y=15x+20
 y=15(12)+20
 y=200
 B is the right answer at $200.
b.
15×12 for the monthly cost for a year + 20 for the install is 200

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