Question

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Noelle and Gina have a combined height of 130 inches. Noelle is 4 inches taller than Gina. Let n stand for Noelle's height. How tall is each girl?
Gina's height in inches:______________________
Noelle's height in inches:_______________________

Equation:____________________________

Answer 1

Gina's height in inches: 63 inches

Noelle's height in inches: 67 inches

Equation: n + (n - 4) = 130

Explanation:

n + (n - 4) = 130

n + n - 4 = 130

2n - 4 = 130

2n - 4 + 4 = 130 + 4

2n = 134

2n ÷ 2 = 134 ÷ 2

n = 67

67 - 4 = 63