In the school choir, 16 students are in the soprano section, 15 students in the alto section, 12 in the tenor section, and 17 in
2 answers:
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Answer:
x = 45
Step-by-step explanation:
Corresponding sides of similar triangles will be in same ratio.
Cross multiply
x*28 = 20*(x+18) {Use distributive method}
28x = 20x + 360
28x - 20x = 360
8x = 360
x = 360/8
x = 45
