8. A chemist wants to mix an acid solution that is 40% concentrated to a solution which is 20% acid. How many
liters of each solution must he mix if he wants to have a
mixture of 10 liters with 35% concentration?

Asif spent $745.10 on 13 new file cabinets for his office. small file cabinets cost $43.50 and large file cabinets cost $65.95. write and solve a system of equations to find the number of small cabinets and large cabinets he purchased. determine if each statement is true or false. 1. he purchased 5 small cabinets. true or false 2. he purchased 7 large cabinets. true or false 3. he spent $527.60 on large cabinets. true or false

Solve this and show you’re work step by step ! -5 3/4+3h< 9 1/4 -

The difference of three and the reciprocal of a number is equal to the quotient of 20 and the number. find the number.