T = large candles and s = small candles
3t + 5s = 6.40
4t + 6s = 7.50
^^ this would be ur system of equations
9.4 is the answer because 6% of 10 is .6 and you do 10-0.6
you can measure the first angle with a protractor and then measure the other one see if there is a different angle
