A consumer has $180 in monthly income to spend on two goods, D and G, where D is on the y-axis. The price of good D, PD is $6, and the marginal rate of transformation is -2. How many units of good G can be purchased if all income is used to purchase good G

The number of units of good G that can be purchased if all income is used to purchase good G is 15 units.

Explanation:

Since D is on the y-axis, indicating G is on the x-axis, the formula for calculating the marginal rate of transformation (MRT) is given as follows:

MRT = - PG / PD …………………. (1)

Where:

MRT = Marginal rate of transformation = -2

PG = Price of good G = ?

PD = Price of good D = $6

Substituting the relevant values into equation (1) and solve for PG, we have:

-2 = - PG / $6

PG = -2 * (-6) = $12

Therefore, we have:

Number units of good G if all income is spent on it = Monthly income / PG = $180 / $12 = 15

Therefore, the number of units of good G that can be purchased if all income is used to purchase good G is 15 units.

ans.

heterothermic organisms include those organisms that can switch between homeothermic (having body temperature higher than environment) and poikilothermic (having variation in internal body temperature) strategies.

some migratory birds show heterothermy as they decrease their metabolic rate during cold nights to keep their body temperature low. drop in metabolic rate allows increase in production efficiency of birds that reduces the internal body temperature to make it equal to external cold temperature during cold nights.

thus, the correct answer is 'birds allow their temperature drop in order to increase their production efficiency.'

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