One day a store sold 21 sweatshirts. White ones cost 11.95 and yellow ones cost 13.50. In all, 277.30 worth of sweatshirts were sold. How many of each color were sold

5500 dollars is placed in an account with an annual interest rate of 6.5%. to the nearest tenth of a year, how long will it take for the account value to reach 19700 dollars?

Maria donates a fixed amount, a, to a charity each month. if she donates $300 in 12 months, what is the equation for a? a. a + 300 = 12 b. a × 300 = 12 c. a × 12 = 300 d. a + 12 = 300 e. a + 32 = 100

If private savings 'v' = 0.75s and total savings 's' equals $4.20 billion, solve for public and private savings.