Level 3
At sunrise an ant began jumping up a 2-metre sand hill. Every hour, it was able to climb up 40 cm, but then slid back 30 cm due to the loose sand. How long did it take the ant to reach the top?
Level 3
The total mass of 2 encyclopedias and 3 comic books is 17 kg. Each encyclopedia weighs 3 kg 500 g more than each comic book. What is the mass of 1 comic book? Express the answer in grams.
Level 3
A lace is twice as long as an umbrella. The umbrella is thrice as long as the stick. The total length of the lace and the umbrella is 3 m 6 cm. Find the total length of the lace, the umbrella and the stick. Give your answer in m and cm.
Level 3
Donna took 25 min to complete her Science assignment. She took 7 times as long to making her report presentation. Find the total amount of time she spent doing her Science assignment and making her report presentation. (Give the answer in hours and minutes.)
Level 3
Jake spent 1 h 30 min to trim and water the plants in his garden. He took twice as long to trim the plants than to water the plants. How long did he spend watering the plants?
