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10. Ken has 22 coins, some of which are dimes and the rest are quarters. Alto-

gether, the coins are worth more than $3. 40. At least how many of the

coins are quarters? At most how many are dimes?

Respuesta :

tabithapilgrim

Answer: Ken has 22 coins, some of which are dimes and the rest are quarters

Step-by-step explanation:Step 1. Let x be the number of dimes and let 25-x be the number of quarters.

Step 2. Let 0.10x be the total cost for x number of dimes

Step 3. Let 0.25(25-x) be the total cost for 25-x number of quarters.

Step 4. Since the man has $4.60, then 4.60=0.10x+0.25(25-x). Solving for x yields the following steps