Problema Solution
The number of pens sold varies inversely as the price per pen. If 4000 pens are sold at a price of $1.50 each, find the number of pens sold at a price of $2.00 each.
Hoe many pens sold at a price of $2.00 each.________.
Answer provided by our tutors
$ 1.50 = 4000 pens
$ 2.00 = 2/1.5 x 4000 = 5333 pens