A loan officer earns a salary of $22,500 and 0.4% commission on total sales. He also gets a service fee of $1.75 on every loan preapproval application he processes. Assume the loan officer processes an average of $100,000 in loans each week and completes 8 preapproval applications each week. How much will he earn this year?

At dinner, 2/5 of the people had fish and 1/3 had chicken. if everyone else had lamb, what fraction of the people had lamb? and if 40 people had lamb , calculate the total number of people at the dinner.

The blue whale is the largest animal living on the earth. the average blue whale measures 100 feet long (30 meters) and weighs 300,000 pounds (136,000 kilograms). a whale’s head is 1⁄3 of the length of its body. a new baby whale is 1⁄4 the length of a grown whale. the average man is 1⁄17 the length of a blue whale, and 1⁄1,818 its weight. a human baby measures 1⁄4 of the length of an adult. calculate the following information: how long is a whale’s head? how long is a new baby whale? how tall is the average man? how much does the average man weigh? how tall is the average human baby?

I'm confused on this could anyone me and show me what i need to do to solve it.