Question:
Ali, Ben, Cain and Dan, shared a sum of money.
Ali has 1/2 of the total amount of money that Ben, Cain and Dan have.
Ben has 1/3 of the total amount of money that Ali, Cain and Dan have.
Cain has 1/7 of the total amount of money that Ali, Ben and Dan have.
(a) What fraction of the total sum of money does Dan have?
(b) Dan has $84. Find the sum of money shared by the 4 boys.
Solution:
![P6 / Nanyang / 2019 / CA1 / Paper 2 – Q13 [4 marks]](https://i0.wp.com/sgprimaths.com/wp-content/uploads/2022/04/P6_CA1_2019_Nanyang_Paper2_Q13-Qns.jpg?resize=400%2C260&ssl=1)