Let 
be the inital number of Timmy's marbles, and 
be the inital number of Ben's marbles.
At the beginning, "Timmy had 3/4 of what Ben had", which means
(I wrote the equation in an equivalent form to avoid denominators)
Then, Ben gives 36 marbles to Timmy. So, now Ben has 
marbles, and Timmy has 
marbles. The new ratio is 1 to 3 in Timmy's favour, so we have
(same as before)
So, we have the following linear system:
From the first equation we know that 
, so the second equation becomes
Now that we know the value for , we can simply plug it into the first equation to get
Answer:
B
Step-by-step explanation:
5(2x+4)=30
10x+20=30
10x=10
x=1
Answer:
The parabola would stretch both vertically and horizontally by a factor of 2.
Step-by-step explanation:
I just took the quiz on Edg.
Is this a Question???????
(If this is important then sorry for my answer)
Answer:
24 Blue beads
16 Green beads
Step-by-step explanation:
.60×40=24
.40 ×40=16
Whenever you get a percentage move the decimal two places left and multiply by the total number.
example: 2% of 20 is 2.00 of 20, so move the decimal 2 spots to the left. .002×20=.04
