Thomas deposited $520.94 in a savings account that earns 3.3% simple interest. what will thomas's account balance be in 7 months

34 cup. a serving of vegetable soup is 23 cup. the restaurant sold 20 servings of chicken noodle soup and 18 servings of vegetable soup. how many more cups of chicken noodle soup did they sell than cups of vegetable soup?

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.

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'