SOLUTION: 1. Suppose an investment doubles in value every 5 years. This year the investment is worth $3,120. How much will it be worth 10 years from now? a. $49, 920 b. $12,480 c. $24,96

Question 742391: 1. Suppose an investment doubles in value every 5 years. This year the investment is worth $3,120. How much will it be worth 10
years from now?
a. $49, 920
b. $12,480
c. $24,960
d. $62,400
2. One calling card has a $0.50 connection fee and charges $0.02 per minute. Another card has a $0.25 connection fee and
charges $0.03 per minute. After how many minutes would a call cost the same amount using either card?
a. 50 minutes
b. 15 minutes
c. 25 minutes
d. 2.5 minutes
3. Mandy has $2.40 in coins, all in dimes and nickels. The total number of coins is 30. If she has d dimes and n nickels, which
system models the situation?
a. d + n = 30
10d + 5n =240
b. d + n = 30
10d + 5n = 2.40
c. 10d + 5n = 30
d + n = 2.40
d. 10d + 5n = 30
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
1b
2c
3a
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