the number of calories consumed at snack varies directly with the number of cookies eaten. if mandy eats 3 cookies, she will consume 240 calories. how many calories will she consume if she eats 5 cookies

She will consume 400 calories if she eats 5 cookies.

3 cookies = 240 cal.

In order to solve for 5 cal. you need to find the unit rate first, divide both numbers by 3

3/3 = 1

240/3 = 80

Now we know that 1 cookie = 80 cal.

5 cookies;

80 * 5 = 400 cal.