A man invested Rs30000 in two types of bonds.On one he earns 5% and on the other he gets 75.If his total earnings are Rs2000,find his investment in each type of bonds.Pls answer this question with required steps.
earnings= amount1*.05 + amount2*.075
you know earnings. You also know that amount1 and amount2 total 30000. So you can change amount2 to read (30000-amount1). Do that, and you can solve for amount1. Then, you know automatically amount2.