exam Maths Puzzle Numerical Ability

HI
please help me with this problem. I am really stressed and need immidiate help. any help will be apreciated.the question is


how do we find the rate triangle of points giv

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exam Other Question

How do you solve?

2- radical 5 over 2+3 radical 5. I need help to solve this.
* One-fifth of the coins are dimes
* One-sixth of them are nickels
* One-tenth are quarters
* The rest are pennies

the total value is $3.52

How many of each coin do I have