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oksian1 [2.3K]
2 years ago
7

A store sells the basic model of a phone for $60 and the upgraded model for $200. It costs the store $10 to buy each basic model

and $50 to buy each upgraded model from the phone company. On Tuesday, the store has $1,800 in sales for these two models, and it paid the phone company $400 to buy these phones. How many upgraded models did the store sell on Tuesday?
Mathematics
1 answer:
ivolga24 [154]2 years ago
5 0

Answer:

6

Step-by-step explanation:

(6*200)+(10*60)=1800

(6*50)+(10*10)=400

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