Q:

# How do you get \$1.50 with quarters, dimes, nickels and pennies using seven coins?

A:

This is not possible without also using a half-dollar coin. Using only quarters, dimes, nickels and pennies, \$1.50 can be made with six or eight coins, but not with seven.

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Using six quarters would create a total of \$1.50. With only five quarters, the total would be \$1.25. This requires coming up with the additional 25 cents using two coins that are not quarters. The highest value that could be achieved is 20 cents using two dimes, thus the task is impossible. It becomes possible if the half-dollar coin is introduced. The solution is then one half-dollar, three quarters, two dimes and one nickel.

## Related Questions

• A:

Using only nickels, dimes and quarters, there are 29 unique ways to make change for a dollar. It is helpful to use a systematic strategy for substituting coins in finding each unique combination totalling a dollar.

• A:

If someone has 2 quarters, 4 dimes, 2 nickels and 1 penny, they have a total of \$1.01. Every coin has a designated value. When counting money, one simply has to add these values together. Money is measured in cents. One dollar is equivalent to 100 cents.

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• A:

According to Algebra.com, a dollar can be made with 25 coins by combining 3 dimes, 12 nickels and 10 pennies. There are at least four other ways to combine 25 coins to make a dollar, using American currency.