During a charity drive, Primary 5 raised 6 times as much money as Primary 2 on the first week. On the second week, Primary 5 raised another $374 while Primary 2 raised another $599. During the entire charity event, Primary 5 raised 2 times as much as Primary 2. What was the total amount raised by Primary 5?
|
Primary 5 (1) |
Primary 2 (2) |
Make p the same (2) x 2 = (3) |
Before |
6 u |
1 u |
2 u |
Change |
+ 374 |
+ 599 |
+ 1198 |
After |
2 p |
1 p |
2 p |
(1) = (3)
6 u + 374 = 2 u + 1198
6 u - 2 u = 1198 - 374
4 u = 824
1 u = 824 ÷ 4 = 206
From (2)
1 p = 206 + 599 = 805
Total amount raised by Primary 5
= 2 p
= 2 x 805
= $1610
Answer: $1610