Coin Problems

Front

What is a coin problem in mathematics?

Back

A coin problem is a type of word problem that involves finding the number of coins of different denominations based on given conditions, such as total value or quantity.

Front

Define the variable 'd' in the context of coin problems.

Back

In coin problems, 'd' often represents the number of dimes.

Front

Define the variable 'n' in the context of coin problems.

Back

In coin problems, 'n' often represents the number of nickels.

Front

What equation represents the total value of dimes and nickels?

Back

The total value can be represented as: 0.10d + 0.05n = Total Value.

Front

If John has four more nickels than dimes, how can this be expressed mathematically?

Back

This can be expressed as: n = d + 4.

Front

What is the total value of 21 dimes?

Back

The total value of 21 dimes is $2.10 (21 * 0.10).

Front

How do you set up an equation for a coin problem involving total coins?

Back

Let d be the number of dimes and n be the number of nickels. The equation would be: d + n = Total Number of Coins.

Front

What is the value of a quarter in dollars?

Back

A quarter is worth $0.25.

Front

If Byron has 72 coins consisting of dimes and quarters, how can you express the number of quarters?

Back

Let q be the number of quarters. Then, the number of dimes can be expressed as: 72 - q.

Front

What is the total value of 72 coins if they are all dimes?

Back

If all 72 coins are dimes, the total value is $7.20 (72 * 0.10).