60% bc if u add what she took and subtract what was left u get the percentage. Im 88 but i think im right
8:7 boy to girl ratio
8x + 7x = 15x
15x = 195
x = 13
Boys = 8x
8*13 = 104 boys
Answer: 1.25 problems/min
32 minutes --> 40 problems
1 minute --> 40/32
--> 1.25