How many liters each of 30% acid solution and a 65% acid solution must be used to produced 70 liters of a 60% acid solution ?

Ineed ! the person who answers and shows their work on they got the answer first will be marked the !

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent and the median? 40 25 8 36 18 15 24 27 43 9 12 19 22 34 31 20 26 19 17 28

Adesigner charges a one time fee of $200 plus $40 an hour for each project. write an expression to represent how much money the designer will make for a project