During a charity drive, Primary 6 raised 4 times as much money as Primary 1 on the first week. On the second week, Primary 6 raised another $332 while Primary 1 raised another $547. During the entire charity event, Primary 6 raised 2 times as much as Primary 1. What was the total amount raised by Primary 6?
|
Primary 6 (1) |
Primary 1 (2) |
Make p the same (2) x 2 = (3) |
Before |
4 u |
1 u |
2 u |
Change |
+ 332 |
+ 547 |
+ 1094 |
After |
2 p |
1 p |
2 p |
(1) = (3)
4 u + 332 = 2 u + 1094
4 u - 2 u = 1094 - 332
2 u = 762
1 u = 762 ÷ 2 = 381
From (2)
1 p = 381 + 547 = 928
Total amount raised by Primary 6
= 2 p
= 2 x 928
= $1856
Answer: $1856