World grain demand. Freeport McMoRan projects that in 2010 world grain supply will be 1.8 trillion metric tons

Question

and the supply will be only 3/4 of world grain demand.
What will world grain demand be in 2010?

Answer 1

Let's change 3/4 to 0.75. Let x = trillion metric tons of world grain demand.

0.75x = 1.8
x = 2.4

Answer 2

World grain demand. Freeport McMoRan projects that in 2010 world grain supply will be 1.8 trillion metric tons
and the supply will be only 3/4 of world grain demand.
What will world grain demand be in 2010