Answer:
Jenny has 50 marbles
Step-by-step explanation:
I find it easiest to right down the numbers as I read the question,
(9+10-4) x3 +7-2
57.5 is the answer. Because think of 200 as 100% and 15 out of a hundered is ______. Right.
Answer:
a and b
Step-by-step explanation:
15x-60=120
15x-60-60=120-60
15x=60
15x/15=60/15
x=4
3x=12
3x/3=12/3
x=4
Step-by-step explanation:
in newton rapson method

Let 

