s = long of straws
c = long of crayons
p = long of paperclips
2 straws are as long as 5 crayons means:
2 s = 5 c
5 c = 2 s
5 crayons are as long as 28 paperclips means:
5 c = 28 p
Since: 5 c = 2 s
2 s = 28 p
Multiply both sides by 1.5
3 s = 42
Katie is having fun measuring things. This is what she discovered:
2 straws are as long as 5 crayons. 15 crayons are as long as 28 paperclips.
How many paperclips are as long as 3 straws?
1 answer