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 tennis balls. How many tennis balls are there?
Type of item |
Number of items |
Squash balls |
40 |
Golf balls |
23 |
Tennis balls |
♦ |
Fraction of the items that are squash balls and golf balls
= 1 -
29 =
79Total number of items = 9 u
Number of squash balls and golf balls = 7 u
7 u = 23 + 40 = 63
1 u = 63 ÷ 7 = 9
Number of tennis balls
= 2 u
= 2 x 9
= 18
Answer(s): 18