(a) P = {factors of 30}

Q = {Multiples of 5 less than 40}

Find P ∩ Q

(b) A trader saved GH¢ 200.00 for 3 years at 12% simple interest per annum.
What will be the total amount in the trader’s account at the end of the 3 years?

(c) Evaluate ${4.56×3.6}/{0.12}$ and leave your answer in standard form.