3 years ago

359 +314=

dle" class="latex-formula">

Mathematics

1 answer:

vlabodo [156]3 years ago

6 0

The correct answer is 673
9+4= 13
5 turns into a 6 so it’s 6+1 = 7
3+3 = 9

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How many ml of 20 percent acid should be added to pure acid to make 70 ml of 30 percent acid?

Novay_Z [31]

Answer:

61.25%

Step-by-step explanation:

How many ml of 20 percent acid should be added to pure acid

to make 70 ml of 30 percent acid?

let x = amt of 20% mixture

then

(70-x) = amt of pure acid

0.20x + (70-x) =0 .30(70)

0.20x + 70 - x = 21

= 21 - 70

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keisha drove 380 miles using 14 gallond of gas. At this rate, how many gallons of gas would she need to drive 418 miles?

pychu [463]

14gallons=380miles

14/380=<span>0.03684210526gallons/mile
</span>
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or you could cross multiply

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2 years ago

Which describes how to find the solution 5k >22

inysia [295]

Answer:

Step-by-step explanation:

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