Question

A student incorrectly says the solution to the equation
2 1
3Y-7y=357 is y = 289. What error did
student make?
Choose the correct answer below.

A. The student subtracted 1/7 from negative 2/3.

B. The student multiplied 357 by 17/21.

C. The student added negative 2/3 to negative 1/7.

D. The student multiplied 357 by 21/17.

Answer 1

Answer:

D

Step-by-step explanation:

He couldn't have got y= 289 by actually answering the question, let alone subtracted to get y=289. It has to be d.