I think the average spend is 11 km. i don't know for sure..
The answer would be 50 and 37.
50-37 = 13
50+37 = 87
2x + 5 =7
Subtracting 5 from both sides
= 2x +5-5 = 7-5
=2x = 2
= x = 2/2
=x = 1
X = 90-22
x = 68
..............
Answer:
The correct answer is
moles
mole
moles
Step-by-step explanation:
In a typical stoichiometric problem, the given quantity is first converted to moles. Then the mole ratio from the balanced equation is used to calculate the moles of the wanted substance. Finally, the moles are converted to any other unit of measurement related to the unit mole.