Answer:
Idk if you have to solve it by X so I say it's X=2.125
It's already reduced it remains as 69/80 because the is no greater common factor between the two.
It's 15 m8 m8 m8 15 so yah.
70(0.21) + 99(0.23) + 91(0.23) + 90(0.33)
= 14.7 + 22.77 + 20.93 + 29.7
= 88.1%
