A business owner buys lunch for employees once every month. The owner has bought lunch for 18
employees for the last three months and the total costs are shown.
First month: $147.98
Second month: $152.17
Third month: $165.63
• Write an equation that can be used to estimate y, the average monthly cost, in dollars, to
buy lunch for x employees.
Use your equation to estimate the total cost of a monthly lunch for 26 employees. Show
your work or explain your response.

Twenty-five percent of the customers entering a grocery store between 5 p. m. and 7 p. m. use an express checkout. consider five randomly selected customers, and let x denote the number among the five who use the express checkout.

How do i solve uniform motion problems?

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.