18. Colby and Cheryl work in different local supermarkets. Colby regu- larly earns $8.90 per hour, and he is paid time-and-a-half for each

hour of overtime he works. Cheryl regularly earns $7.10 per hour,

and she is paid double time for an hour of overtime. Who earns

more for one hour of overtime? How much more?

option a is correct.

step-by-step explanation:

scale factor: it is used to find proportional measurements.

proportions means having the same ratio.

scale factor is the ratio of the model measurement to the actual measurement in a simplest form.

or we can say that the ratio of any two corresponding lengths in two similar geometric figures

if the scale factor is more than 1, then it is an enlargement,

if the scale factor less than 1, then it is a reduction.

given the two geometric figure:

by definition of proportions, we have

answer: 5100 just subtract

step-by-step explanation:

$649.60

step-by-step explanation:

hey there : ) your answer would be a.

step-by-step explanation: