Arnold must gain 80 pounds of pure muscle. If he ate 5000 calories a day, how long would it take
him to achieve his goal?

56 days

Explanation:

3500 calories makes a pound

If he has to gain 80 pounds of pure muscle by eating 5000 calories a day.How long would that take?

3500 calories-->1 pound

?[how many calories]-->80 pounds

80*3500/1=280,000 calories

5000 calories-->1 Day

280,000 calories-->?[how many days]

280,000*1/5000-->280/5=56 days

chuck around 35 cubic feet of dirt amount equivalent to the weight of the dirt of 700 pounds            

                            hope this