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 $313 while Primary 1 raised another $463. During the entire charity event, Primary 6 raised 3 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 3 = (3) |
Before |
5 u |
1 u |
3 u |
Change |
+ 313 |
+ 463 |
+ 1389 |
After |
3 p |
1 p |
3 p |
(1) = (3)
5 u + 313 = 3 u + 1389
5 u - 3 u = 1389 - 313
2 u = 1076
1 u = 1076 ÷ 2 = 538
From (2)
1 p = 538 + 463 = 1001
Total amount raised by Primary 6
= 3 p
= 3 x 1001
= $3003
Answer: $3003