Answer:
the length of base triangle is 42cm
Of 85% of cars sold where not black then 100-85% where black = 15%
let the number of cars sold be y
then 15%*y=300
y= 300 divided by 15%
= (300*100)/15
=2000
therefore 2000 cars were sold
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Answer:
A ≈ 615.75 cm squared
or 616cm squared when rounded off
