exam
Maths Puzzle
Numerical Ability
If there are 6 * 10^9 people on the Earth and there is enough freshwater
to provide each person with 8.79 * 10^5 L, how much freshwater is on the
Earth?
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exam Other Question
I do not understand how to solve the following:
x squared + 5x + 4 OVER (x + 3)squared DIVIDED BY x + 1 OVER x squared minus 9
Please show me how to go about solving this. Thank you.
0.05x - 0.3 = 1.8