Cindy spends $28.09 on ingredients to make cherry pies (c) and blueberry pies (b). If the pies sell for $3.5 each slice, what expression
can you use to find the total profit made.
O
28.09(b + c) - 3.50
3.5(b + c) - 28.09
3.5b - 28.09c
O
28.09b + 3.25c

The jewelry store is having a sale. necklaces that were regularly priced at $23.50 are on sale for $18.80. what is the percentage of decrease in the price of necklaces?

Write the fraction or mixed number and the decimal shown by the model

An initial investment of $100 is now valued at $150. the annual interest rate is 5%, compounded continuously. the equation 100e0.05t = 150 represents the situation, where t is the number of years the money has been invested. about how long has the money been invested? use your calculator and round to the nearest whole number. years