8,000 x .80= 6,400
8,000-6,400= 1,600
1,600-1,000= 600 that is the amount of tuition she will need to pay each year.
Basically all you have to do is to find what the question is telling you and the unit you will get it from the question example: 15 is what percent of 90 so first work out the question then the unit is percent% because they say what percent.
hope i helped
Answer:
A
Step-by-step explanation:
expanding the bracket, we would have
-2x -18 = -x+1+2
-2x+x= 3 +18
-x=21
x=-21
Answer:
The quotient is: x-7
and remainder is : -300
Step-by-step explanation:
We need to divide 
by 
First arrange the term in terms of ascending order of x.
Arranging we get:
\
The division steps are shown in figure attached.
The quotient is: x-7
and remainder is : -300
Answer:
7
Step-by-step explanation:
75% of 28 is 21.
21 pairs are tennis
So,
28-21=7.
7 pairs left!
