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I\'m not sure how to come up with the answer. I\'ve did all type of combinations

ID: 3118882 • Letter: I

Question

I'm not sure how to come up with the answer. I've did all type of combinations to come up with how many was purchase for $20 and $14 to come up with $7,320.
From: Kid???s Kingdom, a retail toy chain, placed a seasonal order for stuffed animals from Stuffed??Stuff, a distributor. Large animals cost $20, and small ones cost $14. a.??If the total cost of the order was $7,320 for 450 pieces, how many of each size were??ordered?
Source:ISBN: 0538481250 | Title: Contemporary Mathematics for Business and Consumers | Publisher: South-Western College Pub

Explanation / Answer

20x+14y=7320 x+y=450 solve these u get bigones x=170 small ones y=280

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