A student is attempting to write the statement below as an equation. Which of the following statements best applies to the sample mathematical work?

Statement: the product of a number and 2 is equal to the difference between that number and 4

Work:
(1) Let x be the unknown quantity.
(2) The phrase “the product of a number and 2” results in 2x.
(3) The phrase “the difference between that number and 4” results in x – 4.
(4) Set the values from step 2 and step 3 equal.

Question

A student is attempting to write the statement below as an equation. Which of the following statements best applies to the sample mathematical work?

Statement: the product of a number and 2 is equal to the difference between that number and 4

Work:
(1) Let x be the unknown quantity.
(2) The phrase “the product of a number and 2” results in 2x.
(3) The phrase “the difference between that number and 4” results in x – 4.
(4) Set the values from step 2 and step 3 equal.

anonymous · Answer

A.The interpretation in step 2 is incorrect or invalid.
B.The interpretation in step 3 is incorrect or invalid.
C.The interpretation in step 4 is incorrect or invalid.
D.The interpretation is correct as shown.

anonymous · Answer

product means multiply, difference means subtract