Emma deposits $90 into a bank that pays 4% simple interest per year. Calculate the value(in dollars) of her deposit after 3 years? Write the correct answer Plz Plz Help

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You are choosing between two health clubs. club a offers membership for a fee of $ 28 plus a monthly fee of $ 20. club b offers membership for a fee of $ 20 plus a monthly fee of $ 22. after how many months will the total cost of each health club be the same? what will be the total cost for each club? in __ months the total cost of each health club will be the same.