Andrew has a certain number of coins in his pocket.
Andrew has a certain number of coins in his pocket. He has three times as many dimes as quarters and six times as many nickels as dimes. A nickel is worth $0.5, a dime is worth $0.10 and a quarter is worth $0.25. If he has a total of $10.15, then which of the following represents the number of dimes in Andrew’s pocket?
Answer/Solution
3
Steps/Work
E.
Let number of quarters be q. Therefore , dimes are 3q and nickels are 18q.
Total value = 18q(.5) + 3q(0.1) + .25q =9.55q
Given total value = 10.15
therefore, 9.55q=10.15 or q=1
Number of dimes = 3q = 3
Answer : A
Let number of quarters be q. Therefore , dimes are 3q and nickels are 18q.
Total value = 18q(.5) + 3q(0.1) + .25q =9.55q
Given total value = 10.15
therefore, 9.55q=10.15 or q=1
Number of dimes = 3q = 3
Answer : A