exam Maths Puzzle Numerical Ability

Hi,
I have tried to figure this out without any luck. I hope you can help.

Andrea has 9 coins with a total value of 48 cents. What coins does she have?

Thank you so much!

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exam Other Question

Please help me perform the operation indicated. Thank you

7 sqr root 24 + sqr root 90 - 8 sqr root 54 A hospital parking lot charge $2.00 for the first hour or part thereof, and $1.00 for each additional hour or part thereof. A weekly pass costs $34.00 and allow unlimited parking f