1/20 = 0.05 18/380 = 0.047 18 : 380 is the slightly smaller ratio
25 pencils out of 20 erasers ratio can be written as : 5 : 4.
NO. The word irrational means "cannot be expressed as a ratio". A fraction IS a ratio. For instance: in the ratio 1:3 , the total number of shares is 4(=1+3). The share 1 is 1/4 of the total. Since a fraction is a ratio, it is WRONG to say it is irrational, which would mean it is not a fraction (or ratio). However, it is also good to take note that even an irrational number is a real number.
If you mean: 4/20 then it is 1/5 in its simplest form
Hairdressing trainees must learn ratio in order to carry out several operations; Mixing colour, there are several ratios used for different manufacturers. Igora for instance use a 1:2 ratio for high lift and 1:1 ratio for normal colouring. Diluting peroxide, if you find yourself with say 40 volume peroxide (12%) and need 20 volume (6%) we would use a ratio of 1:1 but you need to be able to calculate this.
If you mean 120 and 60 then the ratio is 2 to 1
If you mean: 4 and 20 then the ratio is 1 to 5
If you mean: 5 20 then it is 1 4
A ratio is simply division. A ratio of 1 to 2 = 1/2. A ratio of 1 to 20 is 1/20. 1/2 > 1/20. So the answer is yes.
A ratio is when two numbers are shown in relationship to one another.the base ratio for 20 can be written as : 20 /1.that is 20 : 1.
20% = 20/100.
1011 is not a ratio. If you mean 1 out of 11 then the answer is 24.
Yes, 20 miles:1 gallon is a ratio.
Multiply both numbers of the ratio, 1:20, by any non-zero number. You will have an equivalent ratio.
7/20 or 0.35 : 1
ratio = 80% : 20% or 80 : 20 ot 8 : 2 or 4 : 1
5% expressed as a ratio = 1/20