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.
Then: . .
The value of the coins is: . cents
. . which is to be at least 455 cents.
We have: . .
Substitute  into : .
Therefore, Bridgett should have at least 27 dimes.