The first answer is 80, and the second answer is still 65.5. Hope this helps!
The answer is 4ab
hope this helps you
Less, you would get 17/20 of a dollar. You add them together and you see if it is more or less than 1
-10=10(k-9)
so,
-10=10k-90
that is just expanding the brackets by multiplying to k and-9
then.
-10=10k-90
move the-90 over by adding 90
so, 80=10k
k =80/10
k=8
