可以帮我检查答案吗？

Question

1.Johar wants to cover the wall of his room which measures of 3m×5m with square tiles of sides 0.5m.How many tiles does he need?

(3m×5m)×0.5m=7.5m

2.A cubic tank is filled with the water until 3/4 full.The length of the side of the tank is 50cm.Find the volume,in cm³,of the water in the tank.

3/4×50=37 1/2

有颜色的是我的答案。如果有错请大家教我好吗？

Answer 1

不对哦，请看我的算式

1. He needs 60 tiles

2. Volume of the water in the tank is 93750cm³

Answer 2

不对，可看笔记，highlight的是关键词