Six subtracted from b is less than or equal to 19

Phyllis and chen are saving money to go to a football game. each friend starts with some money and saves a specific amount each week. phyllis made a graph to show the total she has saved at the end of each week. chen wrote an equation to show the total, y, he has saved at the end of each week, x. y = 15x + 15 compare the amount that each friend has when both friends start saving. select the correct answer from the drop-down menu to complete the statement. phyllis starts with $ and chen starts with $

Can someone me do math because i am having a breakdown rn because i don’t get it

At your job you're paid $50 per week plus $3 per sale at least how many saled do you need to make in order to have over $250