Question

Jimmy's Chocolate shop sells two different fudge bars. The dark chocolate fudge bars sell for $5 per pound and the milk chocolate fudge bars sell for $4 per pound. You purchased a combination of these bars for your family and friends and your bill came to $150. This scenario can be modeled by the equation 5d + 4m = 150. Which of the following is not a possible combination of dark chocolate fudge bars and milk chocolate fudge bars?

6 dark bars and 30 milk bars

10 dark bars and 25 milk bars

12 dark bars and 23 milk bars

14 dark bars and 20 milk bars

Answer 1

12 and 23.

Answer 2

12*5 =60, 23*4 =92
12 dark bars + 23 mil bars = 152$ Not possible