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EnzoF17
04.11.2020 •
Mathematics
In 2017, the price of gas in a certain state changed from $2.24 to $2.56. Calculate the percent of change increase in the price of gas in 2017.
Group of answer choices
14.3%
32%
12.5%
80%
Solved
Show answers
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Ответ:
12.5%
Step-by-step explanation:
2.56-2.24 =0.32
By using the rule of three we can find the answer.
we have that 2.56 = 100% so we have to find what percentage 0.32 represents
(0.32*100)/2.56 = 12.5
Ответ:
therefore,
3x - 5 = x + 1
2x = 6
x = 3
sub x into AD, which is 3x-5
= 3(3) - 5
= 9 - 5
= 4
therefore AD is 4 units