Mrs. Kofi sold an article for C7.50 instead of C12.75. Calculate her percentage of error, correct to one decimal place.

Similar Questions

Evaluate: 2\(\sqrt{28} - 3\sqrt{50} + \sqrt{72}\)  ...

If m : n = 2 : 1, evaluate \(\frac{3m^2 - 2n^2}{m^2 + mn}\)...

Arrange the following numbers in descending orders of magnitude: 22three, 34five, 21six...

Simplify \(\frac{8^{\frac{2}{3}}*27^{\frac{-1}{3}}}{64^{\frac{1}{3}}}\)...

XYZ is a triangle and XW is perpendicular to YZ at = W. If XZ = 5cm and WZ = 4cm, Calculate XY. ...

H varies directly as p and inversely as the square of y. If H = 1, p = 8 and y = 2, find H in terms ...

The ratio of the number of men to the number of women in a 20 member committee is 3:1. How many wome...

Evaluate ∫\(^2_1\) \(\frac{5}{x}\) dx...

What is the length of an edge of a cube whose total surface area is X cm2 and whose total surface ar...

For what of n is n+1C3 = 4(nC3)?...