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.
Can you put more information into this question
Answer:
Step-by-step explanation:
38.

37.

Answer is -10
Work: -(5+5)

the decimals are commas and the double decimal is a real decimal