Level 2
9 lamp posts are planted along a road at equal distances.
The distance between the 2nd and the 4th lamp post is 17.9 m.
What is the distance between the 1st and the last lamp post?
Level 1
Janice bought a bag of rice which weighed 5 kg. She divided the bag of rice into 3 equal packets. What was the mass of each packet of rice? Give the answer in kg and correct to 2 decimal places.
Level 2
Water is pumped into a rectangular tank at a rate of 16.5 ℓ per minute. The tank measures 110 cm by 90 cm by 50 cm. How long does it take to fill the tank? Express your answer in min.
Level 2
Clara and Dan saved a fixed amount of money every day. Dan saved $1.50 more than Clara each day. After several days, Dan saved $40 and Clara saved $25. Find the amount that Dan saved every day.