Kedwin has $150.00 and wants to buy a new pair of headphones that cost $175.00 plus 10% shipping. He decides to wait until the headphones go on sale. What is the smallest sale rate that he needs to be able to afford them? 10% 20% 25% 30%

25%

Step-by-step explanation:

Amount Kedwin has for the purchase = $150

Total cost of purchase :

Item cost =. $175

Shipping cost = 0.1 * 175 = 17.5

Total cost =. $(175 + 17.5) = $192.5

Smallest sale rate in other to afford the item:

At 10%

(1 - 0.1) * 192.5 = $173.25

At 20%

(1 - 0.2) * 192.5 = $154

At 25%

(1 - 0.25) * 192.5 = $144.375

Hence, smallest sale rate needwd is 25%

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