Answer:
Total of 9 lengths of 4 inches can be taken out from a board of 3 feet
Explanation:
length of board in feet = 3 ft
As
1 ft = 12 inches
So
Length of board in inch =
![3* 12](https://img.qammunity.org/2021/formulas/mathematics/high-school/eggcxax5ym89dfy22bpmfi5jzj1qgiyfxe.png)
= 36 inches
Let no of 4 inches length be = x
The equation become
![x * 4= 36\\x= (36)/(4) \\x= 9](https://img.qammunity.org/2021/formulas/mathematics/high-school/zk3ix8z25hs7smgopvumt89cucuh8f10u8.png)
Total of 9 lengths of 4 inches can be taken out from a board of 3 feet