3. Two marks example problems II

1. If $81$ students can do a painting on a wall of length $448$ m in $56$ days, then how many students can do the painting on a similar type of wall of length $160$ m in $27$ days?

 

Number of students $=$

 

 

2. If $48$ men working $7$ hours a day can do a work in $24$ days, then in how many days will $28$ men working $8$ hours a day can complete the same work?

 

Number of days $=$