First you would add all the marbles together because you need to know how many are in the bag in total.
7 + 8 + 5 = 20
Next you simply put the number for blue over the total
8 / 20
And there's your answer.
Answer:
$29.5.
Step-by-step explanation
If you do 118 * .75 it equals to 88.5. So then from there you are going to do 118-88.5 which equals to 29.5 . Glad that I could help!!
5x + 10y = 50
x + y = 8
x = 8 - y
5*(8-y) + 10y = 50
40 - 5y + 10y = 50
10y - 5y = 50 - 40
5y = 10
y = 2
x + y = 8
x + 2 = 8
x = 8 - 2
x = 6
She has 6 nickels and 2 dimes
Answer: 12.3
Step-by-step explanation: It's 12.3 because the other 3 is in the hundredths place and the rule says 5 or more round,4 or less stays the same