There are 550 people at the school carnival. If 385 of the people are students, what percentage of the people at the school carnival are
students?

70 percent

Step-by-step explanation:

Write this as a fraction: 385/550, then simplify to get 77/110-->7/10.

The fraction 7/10 is equivalent to 70%.

yes

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step-by-step explanation:

mr. flanders’ class sold 47 doughnuts and   mr. rodriquez’s class sold 38 cartons of milk

step-by-step explanation:

let x be the number of doughnuts sold by mr. flanders’ class and y be the number of cartons sold by mr. rodriquez’s class.

1. together, the classes sold 85 items, then

x+y=85.

2. both classes earn earned $104.49 for their school. if doughnuts were sold for $1.35 each, then x doughnuts costed $1.35x. if cartons of milk were sold for $1.08 each, then y cartons costed $1.08y. hence,

1.35x+1.08y=104.49.

3. solve the system of two equations: