Answer:
D
Step-by-step explanation:
Answer:
what is the question?where ?
Multiply the first equation by 3 and the second equation by 2:

Subtract the two equation to get rid of the x variable:

Use the value of y to determine the value of x: for example, using the first equation we have

Hey there!
Let us take Michael's score as ' x '
Let us take Kathryn's score as ' y '
Michael - 70 less than twice Kathryn's
x = 2y - 70
y = y
Add them, we get , 425
2y - 70 + y = 425
3y - 70 = 425
3y = 495
y = 495/3
y = 165
Kathryn's score = 165
Michael - 2 ( 165 ) - 70
= 260
Hope it helps!