Answer:
<h3>162.5 cm²</h3><h3>
Step-by-step explanation:</h3>
Area of a triangle = (BH)/2
Base= 25
Height=13
(25×13)/2= 162.5 cm²
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You have to times it by 100 - however much you want to decrease it by so your multiplier would 0.38
QUESTION A
The total number of bottles Ella collected is
The number of bottles that are plastic is
The percentage of bottles that are plastic is
Therefore 38% of the bottles are plastic.
QUESTION B
The total number of bottles that are glass is
The total number of bottles Ella collected is
The percentage of bottles that is glass is
Therefore 62% of the bottles are glass