About 400 marbles. You simply set up a proportion and solve it as I did in the photo attached.
Answer: D 120%
Step-by-step explanation:
Answer:
y = -2/1x-2
Step-by-step explanation:
If each unit happens to be 1 then this will be correct, but it is hard to determine the equation without units.
The question asks you to find the total amount of rain after each hour, and has given you the ratio of 1.5 cm of rain in an hour. Therefore to find the rest, you’ll need to multiply the number of hours by the amount of rain in an hour:
2hrs - 3 cm
3hrs - 4.5 cm
4hrs - 6 cm
5hrs - 7.5 cm
I hope this helps and that I’m right! Good luck!! :)