Question

A radiator contains 10 quarts of fluid, 30% of which is antifreeze. How much fluid should be drained and replaced with pure

antifreeze so that the new mixture is 40% antifreeze?

Answer 1

1 quart

Explanation:

30% of 10= 3, 3/3=1, so 1 qt. is 10%, so you need 1 qt more