Question

PLEASE HELP ME WITH MATH

1) If a child is 120 cm tall, but they grow 4 percent bigger in a year, how tall will they be?

2) A company uses 6,000 gallons of water each month. If they reduce their monthly water use by 12% how much water will be saved each month?

3) A new and improved snack has 22% fewer calories than it did before. If the old version had 200 calories, how many calories, how many calories does the new snack have?

4) Your friend wants to buy a pair of jeans that are on sale for 30% off. If the jeans original price is $40, how much will the sale price be?

5) Tom was able to save 35% more this year than he did last year. If he saved $140 last year, how much did he save this year?

Answer 1

down below

Explanation:

1) 4% of 120 = 4.8, so 120+4.8 = 124.8 cm tall

2) 12% of 6000 = 720 . 6000-720 = 5280 gallons

3) 22% of 200 = 44 . 200-44 = 156

4) 30% of 40 - 12 . 40 - 12 = $28

5) 35% of 140 = $49 . 140 + 49 = $189