Doreen Schmidt is a chemist. She needs to prepare 36 ounces of a 17% hydrochloric acid solution. Find the amount of 18% solution and the amount of 9% solution she should mix to get this solution.
How many ounces of the 18% acid solution should be in the mixture?

How to use order of operation in 20 divide by 4 multiply 5 = 1

Circle d circumscribes abc and abe. which statements about the triangles are true? statement i: the perpendicular bisectors of abc intersect at the same point as those of abe. statement ii: the distance from c to d is the same as the distance from d to e. statement iii: bisects cde. statement iv: the angle bisectors of abc intersect at the same point as those of abe. a. i only b. i and ii c. ii and iv d. i and iii e. iii and iv

The difference of two numbers is 40. find the numbers if 0.3 parts of one number is equal to 37.5% of the other one.