Question

A repair company's charge for repairing a certain type of copy machine fits the model y=47.38+0.617x where y is the number of dollars charged and x is the number of minutes the repair person is on the job. How many minutes would it take for the cost of repair to reach $130? (Round to the nearest minute.)
a.
203
c.
134
b.
287
d.
13

Answer 1

@dumbcow

Answer 2

same as last one...set y = 130 , solve linear equation for x

Answer 3

also its multiple choice so you could just plug in each possible answer to see which one works....if you have a calculator its impossible to get this wrong

Answer 4

dd

Answer 5

?

Answer 6

@dumbcow

Answer 7

what??

Answer 8

is it d

Answer 9

you tell me...
does
130 = 47.38+0.617*13

Answer 10

B

Answer 11

correct :)