Question

Mrs. killer is making pizza and she uses 20 slices of pepperoni on each pizza how many pepperoni slices will she need to make seven pizzas

Answer 1

To know the answer, we have to build the following relation:

$\frac{x}{7}=\frac{20}{1}$

Where x is the number of slices she will need in 7 pizzas. Solving for x:

$x=7\cdot20=140$

Answer: 140 slices of pepperoni