Question

The directions for a homemade glass cleaner call for 1 part vinegar to 4 parts water. Mr.Wilson mixed 2 cups of vinegar with 5 cups of water.Did he use the correct ratio of vinegar to water??[ Select]

Answer 1

$1\colon4=\frac{1}{4}$

Wilson mixed 2 cups of vinegar with 5 cups of water:

$2\colon5=\frac{2}{5}$$\frac{1}{4}\ne\frac{2}{5}$

Therefore, he didn't use the correct ratio of vinegar water