Question

y+y : 2 +y :4 = 35 

giúp mk giải bài toán tìm y này nhé

Answer 1

y+y:2+y:4=35

y+y x \(\frac{1}{2}\)+y x \(\frac{1}{4}\)=35

y x (1+\(\frac{1}{2}\)+\(\frac{1}{4}\))=35

y x \(\frac{7}{4}\)=35

y=35:\(\frac{7}{4}\)

y=20

Answer 2

y + y : 2 + y : 4 = 35

y + y x 1/2 + y x 1/4 = 35

y x ( 1 + 1/2 + 1/4 ) = 35

y x 7/4 = 35

y = 35 : 7/4

y = 20

Answer 3

y + y : 2 + y : 4 = 35

y + y x 1/2 + y x 1/4 = 35

y x (1 + 1/2 + 1/4) = 35

y x 7/4 = 35

x = 35 : 7/4

x = 20