Ellie uses 12.5 pounds of potatoes to make mashed potatoes. she uses one tenth as many pounds of butter as potatoes. how many pounds of butter dose ellie use

She uses 1.25

Step-by-step explanation: multiply 0.1 times 12.5

option a is correct.

step-by-step explanation:

scale factor: it is used to find proportional measurements.

proportions means having the same ratio.

scale factor is the ratio of the model measurement to the actual measurement in a simplest form.

or we can say that the ratio of any two corresponding lengths in two similar geometric figures

if the scale factor is more than 1, then it is an enlargement,

if the scale factor less than 1, then it is a reduction.

given the two geometric figure:

by definition of proportions, we have