exam Maths Puzzle Numerical Ability

A coin bank contains nickles, dimes and quarters. There are four times as many dimes as quarters. The value of the coins is 2.30. How many dimes are in the bank.
Please show formulas in solving.
Thanks

Read Solution (Total 0)

exam Other Question
Given x + iy form, write in polar form: 2 radical 2 (1-i) The sides of a rectangle have lengths x+9 and widths x-3.Which equation describes the perimeter,P,of the rectangle in terms of x?
a.P=x^2 +6x-27
b.P=4x+12
c.P=x^2+12x-27
d.P=2x+6