Question

John has three pieces of rope. One piece was 31 cm long, one piece was 0.33 m long, and one piece was 0.45 m long. John wants to know how much rope he has. Which statement best describes how John should figure out the amount of rope he has?

A.
Add 31 + 0.33 + 0.45 John has 31.78 cm of rope.

B.
Add 31 + 0.33 + 0.45 John has 31.78 m of rope.

C.
Add 0.31 + 0.33 + 0.45 John has 1.09 cm of rope.

D.
Add 0.31 + 0.33 + 0.45 John has 1.09 m of rope.
help plz ASAP

Answer 1

so john has three ropes. and you want to know how much rope does he has.

so we have to add the lengths of the three ropes.
BUT you have to know that they have different units.
31 cm
0.33 m
0.45 m

as we can see two of them have units that are in 'm', so the easiest way is to convert 31 cm to m. how many cm are there in 1 m?

Answer 2

100

Answer 3

right :)