It doesnt say how many she buys at the coin show so we dont know but its going to be more than 6
Graph D is the answer to this question
A half a dollar is 50 cents. If you want to use quarters, you would need 6 more quarters to make 2 dollars.
480 + 192 = 672 students total
16 + 12 = 28 classrooms total
672/28 = 24 students per room
24 * 12 = 288 students that need to be in school B
288 - 192 = 96 students who have to transfer
