3 years ago

Rita takes 3 h to type a report. What part of typing can she do in 2 h? in x h?

Mathematics

1 answer:

GalinKa [24]3 years ago

7 0

Answer:

Solution: Part = 2/3 part

Step-by-step explanation:

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2 hours at most shordy

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3 years ago

jarptica [38.1K]

Answer:

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Step-by-step explanation:

Let

x ----> the amount of pure acid (100% solution) in gallons

Remember that

$100\%=100/100=1$

$20\%=20/100=0.20$

$60\%=60/100=0.60$

we know that

$(1)(x)+(0.20)(3)=(0.60)(x+3)$

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$x-0.60x=1.80-0.60\\0.40x=1.20\\x=3\ gal$

therefore

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Sedbober [7]

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Kim is reading a book with 380 pages. She read 20 pages each day until she reached Part 2 of the book. Part 2 of the book is 160

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If you divide 380 by 20, you get 19. To check this, multiply 20 x 19 to see 380. Hope this helps :D

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