You need to work backwards
if it is no more than 9 units away from 8
thus x must be 8-9<x<8+9 solving -1<x<17
so the answer is 4.
Answer:
Step-by-step explanation:
9 - ratio 3:5
10 1/8 + 1/4 = 1/8 + 2/8 = 3/8 of the pizza eaten
so 5/8th of the pizza is left
Answer:
x = ab - y
Step-by-step explanation:
y - ab = -x
-y + ab = x
can also be written as
x = ab - y
In 8 weeks he will have 11
in 9 weeks he will have 8
so the answer is 9 weeks
