Make a proportion:

Then cross multiply and divide to solve.
20x=119
x=5.95
The answer is $5.95
Answer: 3+7+9=19.....7/19=0.368 percent. Move the decimal two places to the right and round up for 37%
Step-by-step explanation:
Add all the colors together to get a TOTAL amount of ALL marbles.
The total amount for this problem is 19 (3+7+9=19)
The blue amount of marbles is given as 7.
Divide the blue amount (7) by the total amount (19) for the specific percentage for that color.
Answer:
A. 5x - 1
Step-by-step explanation:
3x - 2
+ 2x + 1
------------
5x-1
Answer:
Step-by-step explanation:
We know that the iceberg is 131 feet above the water and 273 feet bellow the water. We don't need the - on the 272 because we just want to know the length, no the direction it is going. so we add 131 and 272 and get 303.