Which of the following is not a good approximation?

-1.5 pints / 750 milliliters
-22.5 grams / 0.05 pounds
-30 cups / 6,900 milliliters
-10 kilometers / 16 miles

Question

Which of the following is not a good approximation?

-1.5 pints / 750 milliliters
-22.5 grams / 0.05 pounds
-30 cups / 6,900 milliliters 
-10 kilometers / 16 miles

anonymous · Answer

looks like 6,900 milliliters -10 kilometers / 16 miles to me

anonymous · Answer

ok thanks

anonymous · Answer

a mile is longer than a kilometer

anonymous · Answer

thank you

anonymous · Answer

if you already have an answer, why did you bump it?\

-10 kilometers / 16 miles

dan815 · Answer

-30 cups / 6,900 milliliters

dan815 · Answer

is no good

dan815 · Answer

because all of the others are a specific measurable unit, but cups size isnt fixed we dont know what the cup size is, it can be big cups of 1000 ml or small cups of 200 ml or w/e