1/2 + 3/x = 3/4
multiply everything by x
1/2x + 3 = 3/4x...subtract 1/2x from both sides
3 = 3/4x - 1/2x
3 = 3/4x - 2/4x
3 = 1/4x...multiply both sides by 4
4 * 3 = x
12 = x
Because there nobody that teaches them how to do math
Answer:
We need more information please.
Step-by-step explanation:
You have to graph the first one so you would do total cost=1.25*lb
