The letter has both reflection and rotation symmetry
3x + 9 = 90
3x = 90 - 9 = 81
x = 81/3 = 27
x = 27
Hi There
To find the distance, you have to make them proportional to each other.
1 cent. / 30 kilo. = 7.5 cent. / x
Then you cross multiply.
30 x 7.5 = x
225 = x
The distance between the two cities is 225 kilometers.
Hope that helps:)
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Answer:
The percentage maybe went up because of air pollution, and global warming
Step-by-step explanation: