The table shows the list of items in a P.E storeroom. One of the numbers was covered by ink.
29 of the total number of items in the P.E. store room are ping pong balls. How many ping pong balls are there?
Type of item |
Number of items |
Golf balls |
46 |
Baseballs |
31 |
Ping pong balls |
♦ |
Fraction of the items that are golf balls and baseballs
= 1 -
29 =
79Total number of items = 9 u
Number of golf balls and baseballs = 7 u
7 u = 31 + 46 = 77
1 u = 77 ÷ 7 = 11
Number of ping pong balls
= 2 u
= 2 x 11
= 22
Answer(s): 22