Val's whole-house central air conditioner uses 2,500 watts when running. Val runs the AC 4 hours per summer day. Electricity costs (15 cents)/(1 kilowatt-hour). How much does Val's AC cost to run for a summer month of 30 days?

yo answer should be 6 if im not mistaken

step-by-step explanation:

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step-by-step explanation:

let x be the money she spent so that she can earn the free t-shirt.

since, she already spent $112.49

⇒

also, as per the statement: jennifer must spend $250 or more in order to qualify for a free t-shirt at the store.

then,

we have an inequality i.,e

subtract 112.49 from both sides we get;

therefore, $137. 51 more money does jennifer need to spend so that she can earn the free t-shirt

x=-7

step-by-step explanation:

x+3=-10

-10+3=-7

x=-7