21 : 7 = 42 : 14
They are: 20 to 14 and 30 to 21
They are: 10 to 14 and 15 to 21
12 to 14 18 to 21
There are many. Two simplest ones are: 10:14 15:21
21 : 7 = 42 : 14
They are: 20 to 14 and 30 to 21
They are: 10 to 14 and 15 to 21
12 to 14 18 to 21
Students learn to find equal ratios by first writing the given ratio as a fraction, then multiplying the numerator and denominator of the fraction by the same number. For example, to find two ratios that are equal to 1:7, first write 1:7 as the fraction 1/7. Next, multiply both the numerator and denominator of 1/7 by 2, to get 2/14, or 2:14, and multiply the numerator and denominator of 1/7 by 3, to get 3/21, or 3:21. So 2:14 and 3:21 are two ratios that are equal to 1:7. Students are also asked to determine whether two given ratios are equal, by first writing each ratio as a fraction, then writing each fraction in lowest terms. If the two fractions are the same when written in lowest terms, then the ratios are equal.
There are many. Two simplest ones are: 10:14 15:21
It is 7/6.
They are: 3 to 4
No
21 7
6:7
7 and 35 = 70 and 350 or 700 and 3500 and so on.