# math

posted by
**Mary** on
.

the revenue R from selling x units of a certain product is given by R=x(20-0.2x)

How many units must be sold to produce a revenue of $500?

posted by
**Mary** on
.

the revenue R from selling x units of a certain product is given by R=x(20-0.2x)

How many units must be sold to produce a revenue of $500?