[tex] \frac{4}{5} [/tex]
turn into a percent -- two options
1: put in calculator, get decimal result, multiply by 100
calculator: 4 / 5 = .8
multiply by 100: .8 * 100 = 80
80% is the answer
2: multiply top and bottom of fraction by 20
[tex] \frac{4}{5} = \frac{4*20}{5*20} = \frac{80}{100} [/tex]
100 is in the denominator: the numerator is the percent
80% is the answer
