Answer:
n = 36
Step-by-step explanation:
[tex]\frac{28}{n}[/tex]=[tex]\frac{7}{9}[/tex]
=> 28 x 9 = n x 7
=> 252 = 7n
=> n = 252 ÷ 7 = 36
n= 36
solve for n by cross multiplying
Hope this helped you :)
