exam Maths Puzzle Numerical Ability

There are 5 nickels, 3 dimes, and 2 quarters. What is the probability of selecting 1 nickel, 1 dime, and 1 quarter in any order with replacement?

Read Solution (Total 0)

exam Other Question

A liter of fluid is 50% alcohol. How much water must be added to dilute it to a 20% solution?


my work: so x is the amount of water to be added.
so something + x should = .20??
5x-4y=1
3x-6y=6