Answer:
16
Step-by-step explanation:
let the number be x , then
x = 15 ( multiply both sides by 4 to clear the fraction )
3x = 60 ( divide both sides by 3 )
x = 20 , then
× 20 = 4 × 4 = 16
a line from the top of a building to the ground passes over a 9 m pole and reaches the ground at point 15 m from the base of the
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