exam Maths Puzzle Numerical Ability

Could you please help me with this problem. I am supposed to use a system of equations to solve this question.
I have 30 coins worth $6.00. The coins are quarters and dimes. How many of each do I have?
Thank you very much!

Read Solution (Total 0)

exam Other Question

3 radical 7 - 2 radical 28 (x-5)(9x+4)=(3x-2)^2