If it gained 4 million people every 6 years, then the gain PER year would be 1.5 million. from 1992 to 2012 is 10 years. So, 1.5 times 10 is 15. 72 + 15 =87.
Your answer is 87 million.
An arrow to the left and a closed circle on -4 is:
x≤-4 or if you prefer:
x=(-oo,-4]
The total length is 72 feet long
Hello!!
Just because it's not a fraction, doesn't mean it's anymore complicated that making a reciprocal of any other number.
As a fraction, this number would be read as 535/1.
Your reciprocal is 1/535.
Hope you pass your test.