Tammy and Gem shared a box of erasers. Tammy had 71% of the total erasers. if Tammy gave 147 of her erasers to Gem, both would have the same number of erasers. How many erasers did Tammy have?
| |
Tammy |
Gem |
Total |
| Before |
71% |
29% |
100% |
| Change |
- 21% |
+ 21% |
|
| After |
50% |
50% |
100% |
Total number of erasers that Tammy and Gem shared = 100%
If Tammy gave 147 erasers to Gem, both would have the same number of erasers.
Number of erasers that each would have in the end
= 100% ÷ 2
= 50%
Number of erasers that Tammy gave to Gem
= 71% - 50%
= 21%
21% → 147
1% → 147 ÷ 21 = 7
Number of erasers that Tammy had
= 71%
= 71 x 7
= 497
Answer(s): 497
