Answer:
4:5
Explanation:
If M is 20% less than N, then we can think of M as being 80% of N. This gives us a ratio of 80:100 (80% to 100%, 20% less), which can then be simplified to the ratio 4:5.
Hope this helped!
The answer is b, 5 degrees. The equation means that the temperature will be 61.4 degrees + 5 degrees each hour until 4 pm.
Solution:
We are given:
Number of male fishes surveyed by Elena in a river = 350
Number of male fishes with eggs growing inside them = 150
Therefore the number of male fishes without eggs = 350 - 150 = 200
Now the ratio of male fish with egg cells to male fish without egg cells in the river is:

Therefore, the ratio of male fish with egg cells to male fish without egg cells in the river is 
Answer:

Explanation:
The volume of a rectangular box is given by;

It was given that, the volume of the box is V=8 cubic inches.
The length of the box is l=2 inches.
Let the width of the box be x inches.
The height of the box is 3 inches more than the width. That is

We now substitute all values into the formula to get:

Therefore the required equation is
