SOLUTION: If Dan loses 16 pounds, 9 pounds, and 11 pounds during the first three months of his diet, how much will he have to lose during the fourth month so that he will have an average wei
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Question 1143946: If Dan loses 16 pounds, 9 pounds, and 11 pounds during the first three months of his diet, how much will he have to lose during the fourth month so that he will have an average weight loss of 12 pounds per month? Answer by ikleyn(52835) (Show Source):
To lose 12 pounds in average per month during 4 months, Dan has to lose 4*12 = 48 pounds, in all.
Since he just lost 16 + 9 + 11 = 36 pounds in the first three months, he needs lose 48-36 = 12 pounds in the fourth month.
ANSWER. To get his goal, Dan has to lose 12 pounds in the fourth month.
