Step-by-step explanation:
"Of" means multiplication, and percent means out of 100.
25/100 × 150 = 700/100 × n
75/2 = 7n
n = 75/14
n ≈ 5.357
Answer:
35 5-lb weights and 25 3-lb weights
12 years old
18-6=12
4(7)+8/2
28+4
=32