john had 21.00After buying 2 notebooks he had 13.00
21-13= 8 / 2 =4 each notebook cost 4 dollars.
I think its 36, i'm not sure.
Answer:
Step-by-step explanation:
Maria had a test with 20 questions
if 17 are correct,
20 questions................................100%
17 questions................................?%
she was 85% right
Answer:
60
Step-by-step explanation:
Answer: (3,8) and 2-,10) or the slope will be 3/2x
