The mad hatter buys his tea in bulk from the local store. a case of 100 tea bags cost 15 gold coins .which shows the number of cases, c,of tea bags the mad hatter can buy if he has, at most,200 gold coins?

b

step-by-step explanation:

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.