Solve the Problem. -Melissa Invested a Sum of Money at 3% Annual Interest

Multiple Choice

Solve the problem.
-Melissa invested a sum of money at 3% annual interest. She invested three times that sum at 5% annual interest. If her total yearly interest from both investments was $5400, how much was invested at 3%?

A) $67,500
B) $30,000
C) $202,500
D) $22,500