Question

# A carpenter needs 30 rafters, each 380 cm long. Find the total length of the rafters in meters.

Solid Geometry
To find the total length of the rafters, we multiply 380cm by 30: $$30(380cm)=11400cm$$
Since $$1m=100cm,$$ then: $$11400cm\times(\frac{1m}{100cm})=114m$$