Answered

After 14 boys leave the concert, the ratio of boys to girls is 3 to 10. If there are p girls at the concert, write an algebraic expression for the number of boys at the beginning of the concert in terms of p

Answer :

kvnmurty
Let total number of boys be  b.
ratio of boys after 14 boys leave is
       (b - 14) / p = 3 / 10
   =>     3 p = 10 b - 140
       =>  10 b = 3 p + 140

       = >  b = 0.3 p + 14

Other Questions