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Jordan's electricity bill costs $11.34 per month plus $2.17 per kilowatt hour. How many kilowatt hours can he use and keep his bill to no more than $83?

Round your answer to a whole number.

PLEASE HELP

Sagot :

semsee45

Answer:

33 Kwh

Step-by-step explanation:

let x = number of Kwh used

let y = total of bill

Therefore,  11.34 + 2.17x = y

Substitute y = 83 and solve for x:

⇒ 11.34 + 2.17x = 83

⇒ 2.17x = 83 - 11.34

⇒ 2.17x  = 71.66

⇒ x = 71.66 / 2.17

⇒ x = 33.023204147..

Therefore, Jordan can use no more than 33 Kwh to keep his bill to no more than $83

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