Respuesta :
Add up 3 and 1: 3+1 = 4. The corresponding fractions are 3/4 and 1/4.
(3/4)(28) =21
(1/4)(28) = 7
Then 21 and 7 add up to 28, as required, and are in the ratio 3:1.
(3/4)(28) =21
(1/4)(28) = 7
Then 21 and 7 add up to 28, as required, and are in the ratio 3:1.