exam Maths Puzzle Numerical Ability

y/5 + 4 = 40.5?

Read Solution (Total 0)

exam Other Question

The length of a playing field is 2 meters longer than its width. If the area of the playing field is 1200 square meters, find the dimensions of the playing field.

Thank you for your help. problem: log (base 2) 35
This is what I have done:
log (base 2) (5 x 7)
log (base 2) 5 + log (base 2) 7
I do not know how to find the log base of 2 and the 5, and same for the base 2 and 7. On my TI-84 plus.