exam Maths Puzzle Numerical Ability

How would I solve this for kj?:

ln(kj/15) = 2ln(kj/60)

The answer is kj = 240, but I am unsure as to how to get there. Thanks for your help.

Read Solution (Total 0)

exam Other Question

Can you please help me with this question? Thank you!

For a fixed rate, a fixed principal amount, and a fixed compounding cycle, the return is an exponential function of time. U
6-b=5b+30