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Nesterboy [21]
3 years ago
7

5(1+4K)+7k=4(7k+2) Help

Mathematics
1 answer:
stepladder [879]3 years ago
5 0

Answer:

k = -3

Step-by-step explanation:

1) Simplify

5+20k+7k=28k+8

2) Combine the k's

5+27k=28k+8

3) Subtract 27k on both sides

5=k+8

4) Subtract 8 on both sides

-3=k or k= -3

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Step-by-step explanation:

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so, what do I need to multiply 4 with to get 15 ?

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multiplying now also 280 ft² with this factor gives us the answer :

280 × 15/4 = 70 × 15 = 1050 ft²

they can paint 1050 ft² with 3 gallons of paint.

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2 years ago
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Nikolay [14]

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8 0
3 years ago
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4. Emily ate dinner at Geisha. Her total was $17.50. A 8% sales tax was
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Answer:

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