Paula Split an Inheritance Between Two Investments, One a Certificate

question 129

Short Answer

Paula split an inheritance between two investments, one a certificate of deposit paying 7% annual interest, and the other a promising biotech company offering an annual return of 10%. She invested twice as much in the 10% investment as she did in the 7% investment. If her combined annual income from the two investments was $4,050, how much did she inherit?
$__________

---

Definitions:

Master Gene

A regulatory gene that controls the expression of one or more genes and thus has a major effect on an organism's phenotype.

Development

Development refers to the process of growth and differentiation that organisms undergo from conception to maturity, encompassing both physical and psychological changes.

Operator

Part of an operon; a DNA binding site for a repressor.

Prokaryotic DNA

The genetic material found in prokaryotes (bacteria and archaea) that is typically circular and located in the cytoplasm.