During a charity drive, Primary 6 raised 4 times as much money as Primary 2 on the first week. On the second week, Primary 6 raised another $206 while Primary 2 raised another $579. During the entire charity event, Primary 6 raised 2 times as much as Primary 2. What was the total amount raised by Primary 6?
|
Primary 6 (1) |
Primary 2 (2) |
Make p the same (2) x 2 = (3) |
Before |
4 u |
1 u |
2 u |
Change |
+ 206 |
+ 579 |
+ 1158 |
After |
2 p |
1 p |
2 p |
(1) = (3)
4 u + 206 = 2 u + 1158
4 u - 2 u = 1158 - 206
2 u = 952
1 u = 952 ÷ 2 = 476
From (2)
1 p = 476 + 579 = 1055
Total amount raised by Primary 6
= 2 p
= 2 x 1055
= $2110
Answer: $2110