gandalfhan gandalfhan

01-10-2017
Mathematics

contestada

An area of 16m^2 can be covered by 1.5 litres of pain. How many litres are needed to cover 20m^2?

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BenjaminG123 BenjaminG123

01-10-2017

Greetings!

Solve for x.
[tex]16:1.5=20:x[/tex]
[tex]16/1.5=20/x[/tex]
Cross Multiply.
[tex]16*x=20*1.5[/tex]
Simplify.
[tex]16x=30[/tex]
Divide both sides by 16.
[tex](16x)/16=(30)/16[/tex]
Simplify.
[tex]x=1.875[/tex]

1.875 litres of pain would be required to cover an area of 20 meters².

Hope this helps.
-Benjamin

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