- - If a baker has 20 pounds, and looses 3/4 pounds, then we have to take away. Meaning to subtract.
♥ Start with turning 20 into a fraction.
[tex] \frac{20}{1} - \frac{3}{4} [/tex]
♥ Change this to addition.
[tex] \frac{20}{1} + \frac{-3}{4} [/tex]
♥ Solve for that.
[tex] \frac{80}{4} + \frac{-3}{4} [/tex]
♥ Combine.
[tex] \frac{80+-3}{4} = \frac{77}{4} =19.25[/tex]
She has about 19 (rounded) pounds left.
Decimal exact: 19.25