John has 30 marbles , 18 of which are red and 12 of which are blue. Jane has 20 marbles, all of them either red or blue. If the
ratio of the red marbles to the blue marbles is the same for both John and Jane, then John has how many more blue marbles than Jane?
1 answer:
12/30 = percentage of blue marbles = 40%
40% of 20 =8
12-8 =4
John has 4 more blue marbles
You might be interested in
Answer:
Well if you are trying to find the length of each side you Divide 24 by 4 so your answer would be 6
Step-by-step explanation:
Okay, here we have this:
Considering the provided function, we are going to calculate the requested one-side limits, so we obtain the following:
Answer:
the slope is 0
Step-by-step explanation:
First one is c and the second im not sure on
Answer:
17
Step-by-step explanation:
i multiplied 17 by 20 and that gave me 340 which is greater than 300
