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https://vle.mathswatch.co.uk/images/questions/question18449.png

plz can you help me.

 Mar 25, 2020
 #1
avatar+1968 
+1

Area of a trapezoid: A=((a+b)/2)*h where a and b are bottom and top side lengths, and h=height.

 

Now, we can just plug in the values!

 

((10+16)/2)*7.6

=(26*7.6)/2

=98.8

 

Hope this helped!

 Mar 25, 2020
 #2
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98.8÷1.9=52 litres
=11 cans
11x16.99=186.89
=£186.89 to buy all of the paint he needs

ive donwe this 2/5 plz help id ont know what i done wrong 

Guest Mar 25, 2020
 #3
avatar+1968 
+1

Of course gimme a sec...

 Mar 25, 2020
 #4
avatar+1968 
+1

98.8/1.9=52. We need 52 litres to cover this up.

 

52/5 ceiling=11, so we need 11 litres tins of paint.

 

11*16.99=186.89 euros

 

Is this correct?

 Mar 25, 2020

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