What ratio 7 out of 20?
7/20 or 0.35 : 1
it means a number verses another number, like a fraction Here;s an example you have 10 white marbles, 3 blue marbles, and 7 green marbles. what is the ratio of green marbles to the total amount of marbles? hat you do is look at the green marbles, and in this case, there are 7. Now add up all the marbles, which is 20. Your ratio is then 7:20.
35 percent of 20 is 7. To find this answer, you set up two ratios. 100 35 20 x The first ratio,100 over 20, is showing that 100 percent is equal to 20. The second ratio, 35 over x, is showing that 35 percent is equal to the number that would go on the bottom. But since you don't know what that number is, you put an x there instead. To find x, you simply…
What is the ratio for the volumes of two similar pyramids given that the ratio of their edge lengths is 5 to 7?
There are 420 girls and boys at a concert The ratio of girls to boys at the concert is 3 to 7 How many girls are at the concert?
If there are 77 students in the student council and the ratio of girls to boys is 7 to 4. How many girls are in the student council What is the ratio of girls to students?
With a ratio of 7:4 there are 7+4 = 11 parts - 7 parts are girls, 4 parts are boys. 77 students / 11 parts = 7 students/part Girls are 7 parts → girls = 7 students/part × 7 parts = 49 students For the ratio of girls : students, you can either use the figure just found: 49 : 77 = 7 : 11, or just go back to the original ratio: 11 parts…