About two twenty-fifths of the male population in the world cannot distinguish red from green. if there are 14 boys in the ninth-grade that cannot distinguish red from green, about how many ninth-grade boys are there in all? write and solve an equation to find b the answer.

175

Step-by-step explanation:

Two twenty fifths means 8%

14 boys equivalents to 8%

So total number of 9th grade boys: 14/8% = 175

step-by-step explanation:

if you want to solve percent error follow these steps.

1. subtract the accepted value from the experimental value.

2. take the absolute value of step 1.

3. divide that answer by the accepted value.

4. multiply that answer by 100 and add the % symbol to express the answer as a percentage.

if you want to solve percent of change just do this.

1. work out the difference (increase) between the two numbers you are comparing.

2. divide the increase by the original number and multiply the answer by 100. if your answer is a negative number then this is a percentage decrease.

hope this : )

0.02

step-by-step explanation:

time of 9 192 631 770 periods of the radiation corresponding to the transition between the 2 hyperfine levels of the ground state of the caesium 133 atom at 0 k (but other seconds are sometimes used in astronomy)