Question

Olivia ties 2.5 of ribbon onto one ballon How many yards of ribbon does Olivia Need for 18 ballons

Answer 1

Answer:

15 yards

Step-by-step explanation:

1 balloon =2.5 feet of ribbon.
18 balloons =(2.5⋅18) feet of ribbon
18 balloon =45 feet of ribbon.

3 feet = 1 yard.
45 feet = 453=15 yard

Therefore,
18 balloons need 15 yards of ribbon.