If a person smokes 10.0 packs of cigarettes a week and each cigarette contains 5.00 mg of tar,how many years will she have to smoke to inhale 0.250 pounds of tar?
[20 cigarettes = 1 pack,1 pound = 454 g and 1 year = 52 weeks]

Question

If a person smokes 10.0 packs of cigarettes a week and each cigarette contains 5.00 mg of tar,how many years will she have to smoke to inhale 0.250 pounds of tar? 
[20 cigarettes = 1 pack,1 pound = 454 g and 1 year = 52 weeks]

Quizplus · Accepted Answer

First, calculate the total amount of tar inhaled per week: 10 packs/week * 20 cigarettes/pack * 5 mg/cigarette = 1000 mg/week = 1 g/week. To find out how many grams are in 0.250 pounds: 0.250 pounds * 454 g/pound = 113.5 g. Finally, calculate the number of years: 113.5 g / 1 g/week / 52 weeks/year = 2.18 years.

If a Person Smokes 10