Question

Tim a biet:

a/30=28/24

Answer 1

a/30 = 28/24

a=35

OK

Answer 2

\(\frac{a}{30}=\frac{28}{24}\)

=> 30.28 = 24.a

=> a = 30.28 : 24

=> a = 35

Đáp số : a=35

Answer 3

\(\frac{a}{30}=\frac{28}{24}\Rightarrow\frac{a}{30}=\frac{7}{6}\Rightarrow\frac{a}{30}=\frac{35}{30}\Rightarrow a=35\)

Answer 4

\(\frac{a}{30}=\frac{28}{24}\) 

va \(\frac{a}{30}=\frac{28:4}{24:4}=\frac{7}{6}=\frac{7x5}{6x5}=\frac{35}{30}=>a=35\)

Answer 5

\(\frac{a}{30}=\frac{28}{24}\Rightarrow a\times24=28\times30\)

=>a*24=840

=>a=840:24

=>a=35

Answer 6

a/30 = 28/24 

 a/30 = 7/6 

a/30 = 35/30

a= 35