For an economy as a whole,

a. the market value of production must equal expenditure.

b. investment must equal the value of stocks and bonds purchased.

c. wages must equal income.

d. consumption must equal saving.

The answer is a.the market value of production must equal expenditure.

Explanation:

Gross domestic product (GDP) measures an economy's total expenditure on newly produced goods and services and the total income earned from the production of these goods and services.

x=3

step-by-step explanation:

this is really simple i saw that there was only one term (5x) and thought if that was 15 what would i have to multiply everything else to get it there? well if 5x became 15 then x would have to be 3 so plug the 3 in the x for the other equations and you get 15 for the other ones. so there you go. : )

answerblank(1) //inferiorblank(2) ramen noodles;