If average household income increases by 20%, from $50,000 to $60,000 per year, the quantity of rooms demanded at the triple sevens rises from 300 rooms per night to 350 rooms per night. therefore, the income elasticity of demand is positive , meaning that hotel rooms at the triple sevens area normal good .

Bakery has bought 250 pounds of muffin dough. they want to make waffles or muffins in half-dozen packs out of it. half a dozen of muffins requires 1 lb of dough and a pack of waffles uses 3/4 lb of dough. it take bakers 6 minutes to make a half-dozen of waffles and 3 minutes to make a half-dozen of muffins. their profit will be $1.50 on each pack of waffles and $2.00 on each pack of muffins. how many of each should they make to maximize profit, if they have just 20 hours to do everything?

You meet that special person and get married. amazingly your spouse has exactly the same income you do 47,810. if your tax status is now married filing jointly what is your tax liability

The usa today reports that the average expenditure on valentine's day is $100.89. do male and female consumers differ in the amounts they spend? the average expenditure in a sample survey of 47 male consumers was $135.67, and the average expenditure in a sample survey of 38 female consumers was $68.64. based on past surveys, the standard deviation for male consumers is assumed to be $34, and the standard deviation for female consumers is assumed to be $17.