You spend 2/5 of your money on lunch. Your friend then pays you back a loan of $5.50. Later that day you spend $9.75 on a movie ticket and $4.50 on a snack. You have $12.65 left. How much money did you have before lunch?

Money before spending on lunch = 36 dollars

Step-by-step explanation:

Let the total money be X

Money spent on lunch

Money received from friend dollars

Money spent movie ticket dollars

Money spent on snacks dollars

Money left dollars

X

Money before spending on lunch = 36 dollars

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

if you are looking for the unit rate then the answer would be 9 because unit rate is distance divided by time.

step-by-step explanation: