Level 2
The average score of Matthew, Lily and Ellie in the English quiz is 84. Lily's score is 6 above the average score while Ellie's score is 12 below the average score. How many marks does Matthew receive for the English quiz?
Level 2
Three containers contain an average of 48 ℓ of water. The 1st container contains 52 ℓ of water and the 2nd container contains 10 ℓ more water than the 1st container. How much water does the 3rd container contain?
Level 2
Last year, Wesley saved $600 monthly. This year, he increased his monthly savings by 20%. How much more money will he be able to save this year compared to last year?
Level 2
The average height of a persimmon tree, a mango tree and a coconut tree is 2.8 m. The coconut tree is twice as tall as the mango tree and 1.6 m taller than the persimmon tree. Find the average height of the persimmon tree and the mango tree.