Level 3
The length of ribbon A and ribbon B is 30.55 m. The total length of ribbon B, C and D is 58.93 m. The length of ribbons C, D and E is 64.53 m. Ribbon E is twice the length of ribbon A. Find the length of ribbon A. Give the answer in metres.
Level 3
A box containing 60 folders had a mass of 5.01 kg. A box containing 25 post-it-pads has a mass of 6.21 kg. The mass of each post-it-pad was thrice that of each folder. Find the mass of the empty box in grams.
Level 3
Marion had some red and pink marbles. If she gives away 16 red marbles, the number of red marbles will be 10% of the total number of marbles left. If she gives away 48 pink marbles, the number of red marbles will be 25% of the total number of marbles left.
Level 3
When an ice box is packed with 25 identical bottles of soda, it has a mass of 18.4 kg. When the ice box is packed with 30 identical packets of milo, it has a mass of 7.5 kg. A bottle of soda weighs 470 g more than a packet of milo. What is the mass of the empty ice box in kg?
Level 3
On Tuesday, Will read 37 of a novel. On Wednesday, he read 12 pages of the novel. On Thursday, he read 47 of the remaining book leaving 36 pages unread.