jaquelinesarabia
Answered

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A website offers free shipping to customers who order at least $75 dollars worth of merchandise. Della is ordering 2 flashlights at $10.00 each and plans to order packs of $5.00 batteries until her total is at least $75. Which statement best describes how many packs of batteries she must order to qualify for free shipping?
A. 11 or more
B. 13 or more
C. 15 or more
D. 19 or more

Sagot :

jackie0613
It’s A. 11 or more
YW
tagoddard

Answer:

10(2) + 5x > 75 (the inequality for the story problem; multiply)

20 + 5x > 55 (subtract 20 from both sides to isolate the x-term)

5x > 55 (divide both sides by 5 to isolate x)

x > 11 (x is greater than or equal to 15)

the answer is A

Step-by-step explanation:

I hope this helped :)

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