Enter the number in two equivalent forms.
62.5 5% written as a decimal is
62.5% written as a fraction in simplest form is

What expression is equivalent to 42x-56y

Solve the following simultaneous equation by using an algebraic method (either substitution or elimination) 2x + 3y=-4 4x-y=11

In a singing competition, there are 150 participants. at the end of each round, 40% of the participants are eliminated. how many participants are left after n rounds?