80=-8a
We are trying to solve for a. So we need to get a alone. To do that we have to divide each side by -8.
80/-8= -8a/-8
Once you have solved each side you will get the following.
-10=a
Answer:
$10
Step-by-step explanation:
The exact number is $11.65 which is closet to $10
Answer:
54
Step-by-step explanation:
162/3 = 54
He saves $ 1.75 each day from his allowance.
<u><em>Explanation</em></u>
The ratio of his savings and expenses is 7 : 5
Lets assume, his savings = 7x dollar and his expenses is 5x dollar
Given that, his daily allowance is $3. So....

So, the amount of his savings each day 
Answer:
y = 5x - 4
Step-by-step explanation:
5 is the slope so it goes in front of the x and -4 is the y Intercept so it goes last.