Question

Jackson is on a new exercise regimen. To begin, his trainer does not want him to complete more than a total of 27 lunges and sit-ups. For every lunge that he completes, Jacob burns 30 calories. He burns an additional 20 calories for every sit-up. His goal is to burn at least 620 calories during a workout session. Which is a combination of lunges and sit-ups that Jacob can complete in a session?

Answer 1

Jackson can combine 8 lunges and 19 sit ups to get to burn the desired amount of calories.

Since Jackson is on a new exercise regimen, and to begin, his trainer does not want him to complete more than a total of 27 lunges and sit-ups, and for every lunge that he completes, Jacob burns 30 calories, and he burns an additional 20 calories for every sit-up, and his goal is to burn at least 620 calories during a workout session, to determine which is a combination of lunges and sit-ups that Jacob can complete in a session, the following calculation must be performed :

• 27 x 30 + 0 x 20 = 810
• (810 - 620) / 10 = 19
• 27 - 19 = 8
• 8 x 30 + 19 x 20 = 620

Therefore, Jackson can combine 8 lunges and 19 sit ups to get to burn the desired amount of calories.

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