Question

Fatimah,Siti and Noraini share 90 marbles in the ratio 4 : 5 : 6.Calculate the number of marbles that siti receives.

Answer 1

30 marbles.

Explanation:

Let Fatimah,Siti and Noraini has 4x, 5x and 6x marbles.

`\therefore \: 4x + 5x + 6x = 90 \\ \therefore \: 15x = 90 \\ \therefore \: x = (90)/(15) \\ \therefore \: x = 6 \\ 5x = 5 * 6 = 30`

Hence, Siti received 30 marbles.