2) If 20 workers can build a house in 45 days, how many more workers are needed
to complete it in 30 days?
А
6
B
15
С
10
D
18
![2 If 20 workers can build a house in 45 days how many more workers are needed to complete it in 30 days А 6 B 15 С 10 D 18 class=](https://us-static.z-dn.net/files/d5c/b415333d86cc5ca9a91dbf986e9bde6c.png)