Mathematics

Problem

A market has a supply curve

p = 4q + 20

and a demand curve

p = 100 - 6q

, where

p

is price (in ₹) and

q

is quantity (in units). At the equilibrium point of intersection of the two curves, what is the total revenue

pq

? a) ₹400 b) ₹432 c) ₹416 d) ₹448