Question

Luca is 9 years old and 129 cm tall.Medical charts show that a Boy’s height at age 9 is 3/4 of his predicted adult height.Predict Luca’s adult height

Answer 1

About 172 centimeters tall.

Since he is about 3/4 his average adult height, you simply divide his current height by .75

129/.75 = 172

Answer 2

Luca's adult height would be 172 cm.