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:
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