A chemical company makes two brands of antifreeze. The first brand is 45% pure antifreeze, and the second brand is 95% pure antifreeze. In order to obtain 160 gallons of mixture that contains 85% pure antifreeze, how many gallons of each brand of antifreeze must be used?

i believe your answer is 99.7% of 7-year-old children are between 46.6 inches and 49.5 inches tall.

i would you but i don't under stand the qustion

step-by-step explanation:

you could deduce the conclusion directly using the facts pertaining to the specific situation.

hope this .