Question

A savings account gas 3% interest rate

Answer 1

I can help with the second part of your question. The first part is missing something.

To find the amount of interest, just multiply the amount by the given percent.

200 x 0.03 = 6

150 x 0.03 = 4.5

6 - 4.5 = 1.5 is the additional amount of interest.