7. nelly spends 25% of her free time surfing the internet. if she spends approximately 2 hours per day surfing the internet, how
many hours of free time does she have each day? 8. Tyrese purchased a container of juice that contains 220 calories. The label says that 60% of the calories are carbohydrates. How many calories are from carbohydrates?
If she spends 25% of her free time on the internet. And she spends 2 hours on the internet, then we can infer the 2 hours is 25% of her free time. To find out her total amount of free time each day the following equation can be made (remember that 25% is the same as 25/100)...
25 2hours ____ =________ 100 x hours
cross multiply 25x=200 divide both sides by 25 x=8 hours
8.Answer=132 calories If 60% of the 220 calories are carbohydrates, the following equation can be made (remember that 60% is the same as 60/100)...
60 x _____= ___ 100 220
Cross multiply 100x=13200 divide both sides by 100 x=132 calories are from carbohydrates
