A bag contains pennies, nickels, dimes, and quarters. There are 50 coins in all. Of the coins, 12% are pennies and 32% are
dimes. There are 5 more nickels than pennies. How much money does the bag contain?
1 answer:
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Answer:
7
Step-by-step explanation:
Since the triangle is right we can use the cosine ratio to find IR
cos60° = =
=
Cross- multiply
IR = 14 × cos60° = 14 × 0.5 = 7