Question of the Day

Can you answer today's question?

Register Next Tests:
6/1

Dec

8

2012

170,666 responses

Question of the Day Statistics
	Number Answered
Correct	94,367
Incorrect	76,299

55% correct

Mathematics > Standard Multiple Choice

Read the following SAT test question and then click on a button to select your answer.

Milk costs cents per half-gallon and cents per gallon. If a gallon of milk costs cents less than half-gallons, which of the following equations must be true?

Hint

If your answer does not appear as one of the choices, try to determine if any of the choices is equivalent to your answer.

Question of the Day

Can you answer today's question?

Register Next Tests:
6/1

Dec

8

2012

170,666 responses

Question of the Day Statistics
	Number Answered
Correct	94,367
Incorrect	76,299

55% correct

Mathematics > Standard Multiple Choice

Read the following SAT test question and then click on a button to select your answer.

Milk costs cents per half-gallon and cents per gallon. If a gallon of milk costs cents less than half-gallons, which of the following equations must be true?

Answer

The cost of a gallon of milk (y cents) is equal to cents less than the cost of half-gallons ((2 times x) cents) . This can be written algebraically as y = (2 times x) minus z . Subtracting from both sides of the equation yields (2 times x) minus y minus z = 0 .