Last week, Zeph had a total of 246 purple and pink pencils. Two weeks later, he sold
56 of all the purple pencils and 29 pink pencils. Now he has the same number of purple and pink pencils. How many pencils does he have in the end?
|
Purple |
Pink |
Total |
Before |
6 u |
1 u + 29 |
7 u + 29 |
Change |
- 5 u |
- 29 |
|
After |
1 u |
1 u |
|
Comparing the purple and pink pencils in the end |
1 |
1 |
|
Total number of pencils at first
= 6 u + 1 u + 29
= 7 u + 29
7 u + 29 = 246
7 u = 246 - 29
7 u = 217
1 u = 217 ÷ 7 = 31
Number of pencils that he has in the end
= 1 u + 1 u
= 2 u
= 2 x 31
= 62
Answer(s): 62