Answer:
She could spend $18 on each for the 4 friends
Step-by-step explanation:
100-28= 72
72/4=18
85÷(9×5)-(10×4)
85÷(45)-(40)
85/5
17
I think I did this right....
im sorry but i thunk i for got thus
Search up a fraction calculator but the answer is 7/34