It cost marc $29.75 a week to feed his dog .about how much does it cost him to feed his dog for 3 weeks?

$89.25

Step-by-step explanation:

If one week is 29.75, then you can infer that each week separately would be the same amount. With this information, you can form this equation:

y = 29.75x

X would be the number of weeks while y would be the final amount based off the number of weeks.

If you substitute x with 3, then you should get the final answer of 89.25.

Hope this helps!

the answer is 24

step-by-step explanation: