Question

http://gyazo.com/bf4c551ebf8d47395fe34eeebf2cdc1b

Answer 1

Find the interest using the same formula we used before:

\(I = prt\)

\(r = \dfrac{I}{pt} \)

Remember that 3 months = 0.25 year
That's what you put in for t.

Answer 2

so its c

Answer 3

Correct.