the ratios of 28 and 7 is 25%
They are equivalent.
7
7 to 2, 28 to 8 and 56 to 16
No. 4/7 and 16/28 and 28/49 are equivalent ratios. The 4 and the 7 must be multiplied by the same number in order to maintain the ratio.
2:7
7
787
28 = 2 × 2 × 7 = 2² × 7.
The prime factorization of 28 is 2 * 2 * 7 or 2^2 * 77x2x2
28 = 2 times 2 times 7
2 and 7 are the prime factors of 28.