Answer:
90%
Step-by-step explanation:
9/10 shirts are not white
y-13 / y-7
cross multiply
y-13 = y-7
collect like terms
y+y =-7+13
2y= 13 -7
2y = 6
divide both sides by 2
2y/ 2y = 6/2
y= 3
I hope this helped
Answer: You would need 5 men to paint a room in 3 hours
YWW :)
