During a charity drive, Primary 6 raised 4 times as much money as Primary 2 on the first week. On the second week, Primary 6 raised another $376 while Primary 2 raised another $488. During the entire charity event, Primary 6 raised 2 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 2 = (3) |
Before |
4 u |
1 u |
2 u |
Change |
+ 376 |
+ 488 |
+ 976 |
After |
2 p |
1 p |
2 p |
(1) = (3)
4 u + 376 = 2 u + 976
4 u - 2 u = 976 - 376
2 u = 600
1 u = 600 ÷ 2 = 300
From (2)
1 p = 300 + 488 = 788
Total amount raised by Primary 6
= 2 p
= 2 x 788
= $1576
Answer: $1576