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If you spend at least $50(including shipping) at an online store, you receive a $10 gift card. You want to purchase CDs that cost $12 each. If shipping costs $5, write and slice an inequality to find the number of CDs you must buy to receive the gift card.

Respuesta :

kntordal

Answer:

5 CD's

Step-by-step explanation:

5(#of CD)*12($ for each CD)=60+5 for shiping= 65-10(Gift card)= 55

It says at least 50 so you could not do 4 CD which would be less than $50 spent

Hope this helps :)

Answer:

 

You must buy 4 CDs

Step-by-step explanation:

Let X be the number of CDs.

 

12X + 5 >= 50 <--- They cost $12 each, $5 for shipping. Must spend $50 or more

 

12X >= 45

 

X >= 45/12 = 15/4 = 3 and 3/4

 

You must buy 4 CDs

They will cost $12*4+5 = 48 + 5 =$ 53 including shipping.

Then you will be eligible for the $10 gift card for your next purchase.

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