B
First you have to change 2 1/2 into 5/2
To multiply fractions use the method
Keep Change Flip
5/2 x 3/1 =15/2
Which simplifies to 7 1/2
Answer: 751
Step-by-step explanation:
I have eight coupons that are all worth -.25
All the equivalent fractions.
I'm fairly certain that's correct but check again if you need to and please, correct me if I got something wrong.
Total amount of Carbon-14



=C
Full marks answer