Answer:
student a answered correctly
Step-by-step explanation:
student b didn't multiply the crossproducts
Answer:
Step-by-step explanation:
Answer:

Step-by-step explanation:
=>
[
]
=> 3.64 + 0.6
=> 4.24
Hope this helped!
~AnonymousHelper1807
To find the percentage,here's what we can do:

The percentage would then be:
=63/420×100%
=3/20×100%
=0.15×100%
=15%
Therefore the answer is 15%.
Hope it helps!

The account will have decreased by $2640 after 2/3 year.