The level of water in a dam was decreasing by 20% each day. If the level of water was 1500cm,what was the level after two days?
2 answers:
Answer:
960 cm.
Step-by-step explanation:
For the first day:
Subtract the primary level of water by the 20% of it. 20% of 1500 is:
(Convert the percent to decimal)
Then subtract 1500 to 300. That would become 1200cm for the first day.
For the second day:
Subtract the level of water from the first day by 20% of it. 20% of 1200 is:
Then subtract 1200 to 240. That would become 960 for the second day.
The level of the water after 2 days is 960 cm.
You might be interested in
Answer:
length is 28.86ft
width= 4.12ft
Step-by-step explanation:
<h2>This problem bothers on the mensuration of solid shapes, a rectangular prism.</h2>The storage space takes the shape of a rectangular prism, and we are required to find the width and length of the storage space.
let the width of the basement be "w"
Given data
volume v=
length l =
width w=
height h=
We know that the expression for the volume of a rectangular prism is
substituting our data we have to find "w"
dividing both sides by 35 we have
find the square root of both sides we have
since we know that length= 7w and width = w , we can substitute our value for w and find the length and width
Answer:
Step-by-step explanation:
The expression in the square root should be greater than or equal to zero, because square root of a negative number does not give a real number.
Answer:
Step-by-step explanation:
The English ton, also known as the long ton, is equivalent to 2,240 pounds. Therefore, the fractional parts, of each of the two fish, of the English ton are:
Fish caught in region A:
Fish caught in region B:
Both fractions are irreducible.