During a charity drive, Primary 6 raised 5 times as much money as Primary 1 on the first week. On the second week, Primary 6 raised another $271 while Primary 1 raised another $563. 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 |
5 u |
1 u |
2 u |
Change |
+ 271 |
+ 563 |
+ 1126 |
After |
2 p |
1 p |
2 p |
(1) = (3)
5 u + 271 = 2 u + 1126
5 u - 2 u = 1126 - 271
3 u = 855
1 u = 855 ÷ 3 = 285
From (2)
1 p = 285 + 563 = 848
Total amount raised by Primary 6
= 2 p
= 2 x 848
= $1696
Answer: $1696