During a charity drive, Primary 6 raised 6 times as much money as Primary 1 on the first week. On the second week, Primary 6 raised another $273 while Primary 1 raised another $537. 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 |
6 u |
1 u |
3 u |
Change |
+ 273 |
+ 537 |
+ 1611 |
After |
3 p |
1 p |
3 p |
(1) = (3)
6 u + 273 = 3 u + 1611
6 u - 3 u = 1611 - 273
3 u = 1338
1 u = 1338 ÷ 3 = 446
From (2)
1 p = 446 + 537 = 983
Total amount raised by Primary 6
= 3 p
= 3 x 983
= $2949
Answer: $2949