During a charity drive, Primary 5 raised 5 times as much money as Primary 1 on the first week. On the second week, Primary 5 raised another $301 while Primary 1 raised another $548. During the entire charity event, Primary 5 raised 2 times as much as Primary 1. What was the total amount raised by Primary 5?
|
Primary 5 (1) |
Primary 1 (2) |
Make p the same (2) x 2 = (3) |
Before |
5 u |
1 u |
2 u |
Change |
+ 301 |
+ 548 |
+ 1096 |
After |
2 p |
1 p |
2 p |
(1) = (3)
5 u + 301 = 2 u + 1096
5 u - 2 u = 1096 - 301
3 u = 795
1 u = 795 ÷ 3 = 265
From (2)
1 p = 265 + 548 = 813
Total amount raised by Primary 5
= 2 p
= 2 x 813
= $1626
Answer: $1626