Answer:
Step-by-step explanation:
9 mozzarella sticks and 3 onion rings
There are 9 stick and 3 onion ring in the meal.
Let x represent the number of stick and y represent the number of onion ring.
There are 960 total calories, hence:
90x + 50y = 960 (1)
There are 3 times as many stick as there are onion ring. Hence:
x = 3y
x - 3y = 0 (2)
Solving equation 1 and 2 simultaneously gives:
x = 9, y = 3
There are 9 stick and 3 onion ring in the meal.
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