Roger made $25 profit on the stamp collection costing him $125. what was his profit as a percentage of the cost price?

The profit percentage gained by roger is

SOLUTION:

Given that, Roger made profit on the stamp collection costing him .  We have to find his profit as a percentage of the cost price

Profit percentage is profit gained divided by the cost price multiplied by 100.

Therefore, Profit percentage on stamp collection

Here, profit gained = and cost price =

Profit percentage

Therefore, Profit percentage =

hello from mrbilldoesmath!

answer:   x^2 + y^2 = 1024

discussion:

the equation of a circle with center (h,k) and radius "r" is

(x-h)^2 + (y-k)^2 = r^2.

in our case

(x-0)^2 + (y-0) ^2 = 32^2 = 1024

you,

mrb