Question

The cost for laminating varies directly with the number of pages laminated. A customer had 19 pages laminated and paid $16.15.



How much will the customer pay to have 31 pages laminated?



$


The cost for laminating varies directly with the number of pages laminated. A customer had 19 pages laminated and paid $16.15.



How much will the customer pay to have 31 pages laminated?

$ _______________

Answer 1

Medal fan testimonial

Answer 2

If it costs $16.15 for 19 then divide that to get 85 cents each.
Then if you need 31 take 31 x 85 cents to get $26.35

Answer 3

Or to set it up as a ratio: \[\frac{ 16.15 }{ 19}=\frac{ x }{31 }\]
and solve for x