Answer:
n = 3
Step-by-step explanation:
X= tennis balls Noah has
x<8
5m = -8 + 3m
2m = -8
m = -4
W = width
3w + 7 = length
Equation: 3w + 7 + w = 75
Combine like terms: 4w + 7 = 75
Subtract 7 to the other side: 4w = 68
Divide both sides by 4: w = 17
Width = 17
Length = 3(17) + 7, so 58
