S.1 數((急))

(a) If she divides the cake into x pieces,each of her children can get 6 pieces.Express the number of children in terms of x.
=6x

(b) If she divides the cake into 30 pieces,each child can get 5 pieces.Find the number of chrildren.
=30/5 =6

(c) Hence,find the value of x.
=

有6 個childen (跟據 b )
每人分到 6 件

x= 6x 6= 36
so x=36

let x be the no. of pieces of cakes, and y be the number of children

a) x = 6y

b) 30 = 5 y 所以 y=6 有6個小朋友

c) sub y= 6~

x=6乘6=36