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Mathematics, 01.12.2020 19:30 janelly66
A T-shirt printing machine takes 80 minutes to print 1120 shirts. Consider the number of shirts printed per minute. Find the constant of proportionality in this situation. b. Write an equation to represent the relationship. How many shirts are printed in 30 minutes?
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Answers: 3
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Answer from: Quest
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:
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