3/5 of 400=x people used it
so we x=400x3/5
x=240
so 240 people used it again.
When x is 1 and y is 10
x(10) = y
When x is 2 and y is 12
x(6) = y
when x is 4 and y is 16
x(4) = y
When x is 6 and y is 20
x(4) - 4 = y
hope this helps
Answer:
9
Step-by-step explanation:
when you subtract a negative, you are basically adding. 2+7=9
