Answer:
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Step-by-step explanation:
300, because 8x20=160 so 1 ounces= 20 calories
15x20=300
12 students/1 teacher = 276 students/x teachers
Students are on top of the ratio and teachers are on the bottom of the ratio. It must remain the same on both sides of the equation.
12 x = 276
divide by 12
x =23