Hi, I'm looking over a study guild and I need help understand the step in solving the math problems.

Duction 14 10 16 are based on the following date Distribution of Financial Assets Held by Households in Country I, by Asset Category, 1990 and 1998 Bank accounts Bonds Certificates of deposit Mutual funds Retirement accounts Stocks All others 107 15% 20% Percent of Household Financial Assets in Asset Category Of the amount of household financial assets in the six major asict categories in 1990, approximately what fraction was in bank accounts? O O O O Select one answer choice.Dhuribond 14 19 16 we based on the following Distribution of Financial Assets Held by Households in Country H. by Asset Category, 1990 and 1998 Bank accounts Bands Certificates of deposit Mutual funds Retirement accounts Stocks All others Percent of Household Financial Assets in Asset Category In 1998 the amount of household financial assets in mutual funds was a million dollars, Which of the following is closest to the amount, in millions of dollars, of household financial assets in bonds that year? O !. O !. Select one answer choice.purubone 14 to 15 we based on T' folowing data Distribution of Financial Assets Held by Households in Country I. by Asset Category, 1990 and 1998 Bank socounts 1990 Bonds 19PH Certificates of deposit Mutual funds Retirement account Stocks All othen 0% 10% 15% 206 25%% 30% Percent of Household Financial Assets in Asset Category In 1998, if = of the amount of household financial assets in bank accounts was in checking accounts, approximately what percent of all household financial assets was in checking accounts? OI O 15% Select one answer choice.If 7x = Sy + 66 and y = - Is, what is the value of r T OI OS Select one answer choice.Joan bought a calculator at a discounted price that was 30 percent less than the original price. If the discounted price of the calculator was $105, what was the original price? 0 $75 $120 O $135 $150 $195 Select one answer choice