Answer:
1. 400%
2. 25
3. 64
Step-by-step explanation:
1. 160 ÷ 40 = 4.00 then move the decimal over two places to the right to get 400 ----> 400%
2. 40 ÷ 160 = 0.25 move the decimal over two places to the left and you get 25
3. 160 ÷ 10 = 16 (10%) 16 x 4= 64 (10% x 4 = 40%)
