The value of n is 1 because 523 divided by 10 = 52.3 and the only way to get 10 from 10n is if the value of n is 1
Answer:
The answer is (8a)+(a7)
Step-by-step explanation:
From 8(a+7) it can also be written as (8a)+(a7)
<u>Dana : she works 4 days and gets paid $ 12.75 per dog...and she grooms 15 dogs per day.....so Dana makes : 4(12.75 * 15) = 4(191.25) = $ 765</u>
<u>Monique : she works 5 days and gets paid $ 12.75 per dog...and she grooms 10 dogs per day....so she makes : 5(12.75 * 10) = 5(127.50) =</u>
<u>$ 637.50</u>
<u>so the difference between their weekly earnings is : (765 - 637.50) =</u>
<u>$ 127.50 </u>
