3.21 dollars per killogram t t t t t t t t t t t t t t t t t t t
Jeff has -15$ his gf faith gives him 7.
Answer:
162 square inch
Step-by-step explanation:
Area = Length * Width
Area = 
Answer:
Gabe needs 20 liters of the 40% solution.
He also needs 40 liters of the 70% solution.
Step-by-step explanation:
Equation:
acid + acid = acid
0.40x + 0.70(60-x) = 0.60*60
40x + 70*60 - 70x = 60*60
-30x = -10*60
x = 20 liters
Gabe needs 20 liters of the 40% solution.
He also needs 40 liters of the 70% solution.
Answer:
A
Step-by-step explanation:
we should first find the value of x.