Level 3
A sports shop had 300 ping-pong balls for sale. Each ping-pong ball is sold at $2. At the end of each day, the number of ping-pong balls was recorded in the bar graph shown.
What fraction of the total number of ping-pong balls was left at the end of Day 3? Express your answer in its simplest form.
If the shop decided to sell every 5 ping-pong balls at $9.30 from Day 4 onwards, how much less would it collect from the sale of the ping-pong balls?
Level 3
A sports shop had 300 ping-pong balls for sale. Each ping-pong ball is sold at $2. At the end of each day, the number of ping-pong balls was recorded in the bar graph shown.
What fraction of the total number of ping-pong balls was left at the end of Day 3? Express your answer in its simplest form.
If the shop decided to sell every 5 ping-pong balls at $9.30 from Day 4 onwards, how much less would it collect from the sale of the ping-pong balls?
Level 3
Mr Ken sold some mangosteens, mangoes and lemons. The ratio of the number of mangosteens sold to the total number of fruits sold was 3 : 10. The ratio of the number of mangoes sold to the number of lemons sold was 2 : 19. He sold 110 more lemons than mangosteens. Find the total number of fruits that he sold.
Level 3
Class 5 Goodness and 5 Love had the same number of students. The ratio of the number of girls in 5 Goodness to the number of girls in 5 Love was 1 : 13. The ratio of the number of boys in 5 Goodness to the number of boys in 5 Love was 7 : 1.
What is the ratio of the number of boys to the number of girls in Class 5 Goodness?
If there were 33 fewer boys than girls in Class 5 Love, how many students were there each class?