1.) how would you write " seven more than the quotient of a number b and 45 is greater than 5"

2.) how would you write 36 less than the product of a number x and 2/3 is at most 22

3.) the quotient of a number and 15 is at least 450.

4.) eight less than the product of a number n and 1/5 is no more than 95.