Leslie can but 88 pound bag of dog food for $7.40 or a 4 pound bag of the same dog found for $5.38 which is better?

8 pound bag for $7.40

Step-by-step explanation:

Therefore, the first option for 8 pound bag for $7.40 is cheaper and better.

answer: 1) twenty-seven times y

              2) twenty-seven multiplied by y

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