Answer:
x (50) + 3x (90) = 960 calories
50x + 270x = 960 calories
320x = 960
x = 3
onion rings = 3
mozzarella sticks = 9
Explanation:
This is algebra.
x represents onion rings. 3x represents mozzarella sticks.
9 mozzarella sticks and 3 onion rings
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