amy, becky, caroline, and dan are each trying to save $200 for a new phone. the chart shows how much each of them currently have and how much they are saving each week. show all work and explain your steps

A. How much money will Amy have in 3 weeks? Write the expression you use to solve.

B. Write an expression telling how much Amy will have in x number of weeks.

C. Who will be the first person to save $200 and how long will it take?