3/4=21/28
2/7=8/28
so
21/28-8/28=13/28
answer =13/28
It looks about 90 degrees
The answer is D...i think if not D then C
Answer:
Step-by-step explanation:
Plan A: 10 CDs costs $2.30, so 1 CD cost $0.23
Plan B: A package of 50 CDs cost $10.5, so 1 CD cost $1.05
0.23 < 1.05
Choose Plan A