The table shows the list of items in a P.E storeroom. One of the numbers was covered by ink.
35 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 |
Baseballs |
37 |
Tennis balls |
39 |
Ping pong balls |
♦ |
Fraction of the items that are baseballs and tennis balls
= 1 -
35 =
25Total number of items = 5 u
Number of baseballs and tennis balls = 2 u
2 u = 39 + 37 = 76
1 u = 76 ÷ 2 = 38
Number of ping pong balls
= 3 u
= 3 x 38
= 114
Answer(s): 114