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hjlf
3 years ago
7

benjamin is 3/4 as heavy s Ann. Siti is twice as heavy as benjamin. If Ann is 35kg, find Siti mass                      PLZZZZZZ

ZZZZZZZZ ANSWER
Mathematics
1 answer:
luda_lava [24]3 years ago
6 0
I already answered it on one of your posts with the same question, but here I'll tell you again :)

<span>Okay so first set up the equation(s) for this situation. In this case, you need two equations:
B=3/4A (In which B= Benjamin and A=Ann)
S=2B (In which S= Siti and B= Benjamin)
Now first solve for the first equation where you can plug in A for 35kg:
B=3/A
B=3/4*35
B=26.25
Now you can use that value and use it for the second equation. Plug in B with 26.25:
S=2B
S=2*26.25
S=52.5
So Siti has a mass of 52.5 kg</span>
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Answer:

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Step-by-step explanation:

(1) If you need to mix 25% mineral spirit to the varnish, then the solution would contain 25% mineral spirit and 75% varnish.

So, \frac{spirit}{varnish}=\frac{25}{75}

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Thus, The required ratio of spirit to varnish is 1:3.

(2) If you use 240ml of varnish, then this quantity is 75% of the total solution or ration of varnish to the total solution will be 3:4.

Let x be the quantity of total solution.

Then, 240:x=3:4.

⇒\frac{240}{x}=\frac{3}{4}

⇒3x=240*4

⇒x=\frac{240*4}{3}

⇒x=320

That is, total solution is 320 ml.

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⇒Spirit = 320ml-240ml

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Hence, if you use 240 ml of varnish, you need 80 ml of mineral spirit.

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Then, dimensions are 15m long and 10m wide.

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Step-by-step explanation:

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