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October 22, 2014

October 22, 2014

Posted by **Zayn** on Monday, February 11, 2013 at 6:29am.

Siti and Ali saved $4500. Ali and Jim saved $2950. Siti saved thrice as much as Jim. How much did Ali save?

At a concert, there were 15 more children than adults. Each child paid $5 each and each adult paid $10 for a ticket. If the total amount of money collected from them was $150, how many children were there?

- Maths Percentage (Partial) -
**PsyDAG**, Monday, February 11, 2013 at 12:49pm1. (1-.30)x = 140

3. C = A + 15

5C + 10A = 150

Substitute A+15 for C in second equation and solve for A. Insert that value into the first equation and solve for C. Check by inserting both values into the second equation.

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