Maths : Fraction

Alvin, Theodore and Simon shared a tin of cookies. Alvin took 2/3 of the tin of cookies and 5 cookies. Theodore took 2/3 of the remaining tin of cookies and 5 cookies. Simon received only 2 cookies. How many cookies did Alvin have?

Solution

During the P6 post-exam activities,   2/7  of the pupils and an additional 12 pupils attended the guitar lessons. 1/4 of the remaining pupils and an additional 23 pupils attended the photography lessons. The rest of the pupils which were 193 pupils attended the hip-hop lessons.

(a)  How many pupils attended the photography lessons?

(b) How many P6 pupils were there?

Solution

Benson spent $20 less than 5/9  of his money on a bag. He then spent 2/9  of his remaining money on a wallet. Given that he had $140 left, how much money did Benson have at first?

Solution

During the P6 post-exam activities,   2/7  of the pupils and an additional 12 pupils attended the guitar lessons. 1/4 of the remaining pupils and an additional 23 pupils attended the photography lessons. The rest of the pupils which were 193 pupils attended the hip-hop lessons.

(a)  How many pupils attended the photography lessons?

(b) How many P6 pupils were there?

Working backward…