The Math and Science Club sold candles for seven hours one Saturday. The bar graph shows the number of
 candles sold during each hour.
 Number of Candles Sold
 30
 25
 20
 No. of Candles
 15
 10
 5
 0
 1
 2
 3
 4
 5
 6
 7
 Hour
 How many candles were sold during the fifth hour?
 candles