Freddy is buying wings and nachos for a party. A box of 10 wings cost $7.00. Nachos cost $4.00 per tray. He must spend less that $40 on the wings and nachos.

Step-by-step explanation:

-Let x be the number of boxes of wings bought

- y the number of trays of nachos bought.

-Given that each wing box costs $7

-Each tray cost $4 and that the total cost used is less than $40

#The total amount used for the purchase expressed as;

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step-by-step explanation: