exam Maths Puzzle Numerical Ability

Evaluate 2m-5n/n+3p

if m = -2, n = 4, and p = -1.

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exam Other Question

My friend has to pay tolls on a 200 mile round trip.He has $5.50 in nickels, dims, and quarters. He has twice as many quarters as nickels, and two fewer than four times the number of dimes as nickels. How many dimes does he have? what is the answer to

4LN+2LN5=5

e^2x=28