Respuesta :
you need to make a proportion
beats 28 x
seconds 4 30
cross multiply and divide
(28) (30) = 4x
840 = 4x
210 = x
beats 28 x
seconds 4 30
cross multiply and divide
(28) (30) = 4x
840 = 4x
210 = x
This is like math.. 28 divided by 4 = 7.. 7 x 30 = 210 so your answer is 210.