Level 3
There are 100 balls in a bag. 0.25 of them are red balls, and the rest are green and blue balls. If there are 14 as many green balls as blue balls. How many blue balls are there?
Level 3 Ben bought some pastries. He bought some cupcakes with $9.20 more than half his money. He then bought some puffs with $7.20 less than half of his remaining money. He then had $12.80 left. How much did he pay for the cupcakes?
Level 3
Adam ran around a rectangular field from W to X to Y to Z and covered a distance of 240 m. Melvin started from point X to Y to Z to W and covered a distance of 210 m. What is the perimeter of the field?
Level 3
Adam ran around a rectangular field from W to X to Y to Z and covered a distance of 240 m. Melvin started from point X to Y to Z to W and covered a distance of 210 m. What is the perimeter of the field?
Level 3
A feature wall is covered by 10 identical small rectangular boards as shown. The height of the wall is 200 cm. What is the area of the feature wall?
Level 3
A feature wall is covered by 10 identical small rectangular boards as shown. The height of the wall is 200 cm. What is the area of the feature wall?
Level 3
At a farm, there were 47 as many ducks and chickens. There were 48 more chickens than ducks. The farmer sold away some chickens. In the end, there were 89 as many ducks as chickens. How many chickens were sold away?