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3 years ago

Help now plz will give 98 points and mark brainliest plz help

Mathematics

2 answers:

goblinko [34]3 years ago

7 0

X = 7 here’s a picture on how you do it

Illusion [34]3 years ago

4 0

Answer:

m goin to make this as short as possible

10x + 8x + 6

18x + 6 = 136

18x = 126

x = 7

~batmans wife dun dun dun

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3 years ago

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3 years ago

A refrigerator costs $580 a year to run. A family purchases a new one for $1200 that will save them 22% annually in energy costs

NeTakaya

Answer:

It will take nine years and four months for the refrigerator to pay for itself.

Step-by-step explanation:

The new refrigerator which costs $1200, saves the family 22% annually in energy cost.

Since the old refrigerator costs $580 to run, we want to determine how many years it will take for 22% of $580 per year to make $1200.

22% of $580

= 580 × 0.22

= 127.6

That is, it saved then $127.6 per year.

Now,

$1200/127.6

≈ 9.4

Which means, it will take 9 years and 4 months for the refrigerator to pay for itself.

7 0

3 years ago