The demand and supply functions of Good X are:

QD= 110 - 2PX- 4PY+ M

QS= 200 + 4PX- 2W

Currently, Py= 25, M = 330 and W = 140

Refer to the demand and supply functions above.

At the market equilibrium price / quantity, what is the cross-price elasticity between goods X and Y?

Refer to your answers above.

If the producers of Good Y increased the price by 10 percent, by what percentage will the demand for good X change?

Refer to the demand and supply functions above.

At the equilibrium price / quantity, what is the income elasticity for Good X?

Refer to your answer above.

If consumers incomes decrease by 8 percent, by what percentage will the demand for good x change?