Bridgett has 64 coins in nickels and dimes. What is the minimum number of dimes she should have to have at least $4.55? Set up the inequality and solve.
Thanks
Hello, eunabug!
Bridgett has 64 coins in nickels and dimes.
What is the minimum number of dimes she should have to have at least $4.55?
Set up the inequality and solve.
Let: .
Then: . .[1]
The value of the coins is: . cents
. . which is to be at least 455 cents.
We have: . .[2]
Substitute [1] into [2]: .
. .
Therefore, Bridgett should have at least 27 dimes.