Answer:
9
Step-by-step explanation:
30 - (9+4 x 3)
30 - (9 + 12)
30 - 21
= 9
Answer:
566.4
Step-by-step explanation:
do multipilication
Answer:
150(1-x)
Step-by-step explanation:
120 is decreased by d%
Let x = d%
120 - 120*x
120(1-x)
Then it is increased by 25%
(120 (1-x)) +(120 (1-x))*.25
(120 (1-x)) +(30 (1-x))
150(1-x)
Answer:
110.06
Step-by-step explanation:
Make a ratio: 95.20 / x = 86.5 / 100 (86.5 = 100% - 13.5%)
Cross multiply: 95.20 x 100 = 86.5x
9520 = 86.5x
110.06 = x