Answer:
288
Step-by-step explanation:
you have to ask your Amazon alexa
Answer:
utrtttfdgtt
Step-by-step explanation:
Answer:
X=6
Step-by-step explanation:
you add 5 on ther side, then add 7, and 5 together. then divide 2 on the other side
Let
be the number of liters of the 10% solution to be used, and
the number of liters of the 4% solution. The chemist wants to end up with a 4 liter solution, so

For each liter used in the mixture, a concentration of either 10% or 4% acid will be contributed, and the goal is to make a 4L solution whose concentration is 7%, which means

Solving for
gives
, so 2L of both solutions is needed.
Answer:
-10
Step-by-step explanation:
3/5(b)=-6
Divide -6 by 3/5, you get -30/3.