i will do the second, i leave the first to you.

remember, "%" means "out of 100" or "over 100" and "of" means multiply.

thus, 2/3% of x = 33.3 is the same as saying 2/3 *(1/100) * x = 33.3

that is, 2/300 * x = 33.3

multiplying by 300 then dividing by 2 we get x = 4995

now do the first and type what you get