David bakes 540 cakes. He bakes only ginger cakes, banana cakes, orange cakes or fruit cakes.
2.
of the cakes are ginger cakes.
9
35% of the cakes are banana cakes.
The ratio of the number of orange cakes to the number of fruit cakes is 3:4
Work out the number of fruit cakes David bakes.

idk

step-by-step explanation: i just don't

0.6

39mph

step-by-step explanation:

take the logarithm of both sides (the base of the log doesn't matter):

apply the exponent property - this says that :

distribute the log terms on both sides:

group like terms together:

divide through both sides by the coefficient on :

you can do some additional rewriting here using the properties of the logarithm to simplify things if you like: