During a charity drive, Primary 6 raised 5 times as much money as Primary 2 on the first week. On the second week, Primary 6 raised another $283 while Primary 2 raised another $575. During the entire charity event, Primary 6 raised 3 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 3 = (3) |
Before |
5 u |
1 u |
3 u |
Change |
+ 283 |
+ 575 |
+ 1725 |
After |
3 p |
1 p |
3 p |
(1) = (3)
5 u + 283 = 3 u + 1725
5 u - 3 u = 1725 - 283
2 u = 1442
1 u = 1442 ÷ 2 = 721
From (2)
1 p = 721 + 575 = 1296
Total amount raised by Primary 6
= 3 p
= 3 x 1296
= $3888
Answer: $3888