Answer:
189 cm^2
Step-by-step explanation:
12 cm (a) is unneeded information
You can drive your car for 4.5 hours at the average speed of 70 miles per hour. how far did you go?
1 answer:
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The expression in company B represents that is is in arithmetic progression where first term is 42000 and common difference is 1800 . So we have to use the formula of sum of n terms which is
Where a is the first term, n is the nth term, d is the common difference
On substituting there values,we will get
= 15(84000+52200) = 15*136200 =2043000
And for company A, it is
Difference between them =2043000-2002500= 40500
So the correct option is the second option .