makalanharrison
02.10.2020 •
Mathematics
A company wants to decrease their energy use by 10%. If their electric bill is currently $1,900 a month, what will their bill be if they are successful? Give your answer accurate to at least the nearest dollar.
$
If the company's electric bill for next month is $1672, should that be considered a success?
Yes, that is a success OR
No, that is not a success
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Ответ:
A. $1,710
B. Yes, probably.
Step-by-step explanation:
Assuming that a 10% decrease in energy use leads to a 10% decrease in the electric bill:
We'll want to find the value which is 10% less than the original value, i.e., the bill cost which is 90% of the original bill.
90% = 0.9
Since the original bill was $1900, we can just multiply 1900 by 0.9:
A bill of $1,710 would equal a 10% decrease.
Since $1,672 is less than that, then they have decreased their energy use by more than 10% which is likely a success.
Yes, probably.
Ответ:
Thanks for the free points!
Step-by-step explanation:
(: