Kim Has $2,200 Invested at 7% Interest and $3,200 at 3

Multiple Choice

Kim has $2,200 invested at 7% interest and $3,200 at 3% interest. Set up a quantity-rate table. Find the average rate (interest rate) for the table by dividing the sum of the Q $\text { . }$ R column by the sum of the quantity column. Round answer to nearest tenth of a percent.

A) 4.6
B) 5.0
C) 3.8
D) 4.2
E) 5.4