math
posted by brille .
2 rainstorms occurred in one week in a certain area. In the first storm, 15ml of rain fell per hour, and the second storm, 20ml of rain fell per hour.
rain lasted for a total of 40 hours, resulting in a total rainfall of 675ml. how long was each storm
first storm lasted how many hours?=
second storm lasted how many hours?=
Respond to this Question
Similar Questions

MATH/SCIENCE HELP
1. In a measurement of precipitation (rainfall), a raingauge with an orifice (collector) area of 30.50 in2 collects 1.30 litres of water over a period of 26 minutes and 45 seconds.[10] Calculate: a. The depth (amount) of rain that … 
math
In a measurement of precipitation (rainfall), a raingauge with an orifice (collector) area of 30.50 in2 collects 1.30 litres of water over a period of 26 minutes and 45 seconds.[10] Calculate: 1) The depth (amount) of rain that fell … 
Physics
During a severe storm in Palm Beach, Fla., on January 2, 1999, 31 inches of rain fell in a period of nine hours. Assuming that the raindrops hit the ground with a speed of 14 m/s, estimate the average upward force exerted by one square … 
math urgent
2 rainstorms occurred in one week in a certain area in the first storm, 15ml of rain fell per hour, and in the second storm, 20ml of rain fell per hour. rain lasted for a total of 40 hours, resulting in a total rain of 675ml. how long … 
Maths
Hey! Okay so when the weather reporters say that ? 
physical science
During a rain storm, rain comes straight down with a velocity 15 m/s and hits the roof of a car perpendicularly. The mass of the rain per second that strikes the roof is .060 kg every second. Assuming that the rain cones to rest upon … 
Math
On Tuesday 1.2 inches of rain fell. Two more inches of rain fell the next day. How many inches of rain fell on Wednesday? 
scince
During a rain storm, rain comes straight down with velocity Vi =15 m/s and hits the roof of a car perpendicularly. The mass of the rain per second that strikes the roof is 0.060 kg every second. Assuming that the rain comes to rest … 
linear modeling
If rain is falling at a rate of ΒΌ inch per hour, how many inches of rain would you expect after 6 hours? 
math
One wet weekend, 0.86 inches of rain fell on Saturday. The next day, 1.52 inches of rain fell. How many inches of rain fell over the weekend?