Glenn needs to cut pieces of ribbon that are each 1 meter long to make ribbon key chains. If he has 3 pieces of ribbon that are each 1 dekameter long, how many 1−meter pieces of ribbon can he cut?

Glenn can cut 30 pieces

Step-by-step explanation:

I dekameter =10 metres

If she has 3 pieces that are 1 dekameter long each,

The total length in metres of the ribbons=3X10 metres

If the pieces needed to make the ribbon chains are 1 metre long each

Number of ribbons Glenn can cut =Total Length of ribbon/Length needed for each ribbon key chain

=30/1 = 30 pieces

answer: .75 km

step-by-step explanation: