a child had certain amount of chocolate he at 35% of the chocolate but failed had 30 chocolate .what is the no. of chocolates the child originally had
maltikumari260pd90w2:
class 7
lol
Answers
Answered by
0
concentrations of hydrochloric acid (HCl). One bottle is 80% HCl, and the other is 50% HCl. For their experiment they need 1 liter of 70% HCl.
Answer by josgarithmetic(27895)  (Show Source):
You can put this solution on YOUR website!
No. Those concentrations are not likely. They will not keep very long that way. This question was asked and answered already a few days ago, and the arithmetic was shown, ignoring the behavior or properties of such concentrations of that material.
Question 1125805: You may remember learning in grade school that
30
%
of the surface of the Earth is land. Earth has a radius of
6300
km. Meanwhile, the surface area of Mars is
1.4
×
10
8
square kilometers. What is the ratio of the Earth's land area to Martian land area?
Answer by Boreal(9217)   (Show Source):
You can put this solution on YOUR website!
surface area of a sphere is 4pir^2 or 4 pi*6300 km^2 or 498759249.7 km^2
30% of it is
Answer by josgarithmetic(27895)  (Show Source):
You can put this solution on YOUR website!
No. Those concentrations are not likely. They will not keep very long that way. This question was asked and answered already a few days ago, and the arithmetic was shown, ignoring the behavior or properties of such concentrations of that material.
Question 1125805: You may remember learning in grade school that
30
%
of the surface of the Earth is land. Earth has a radius of
6300
km. Meanwhile, the surface area of Mars is
1.4
×
10
8
square kilometers. What is the ratio of the Earth's land area to Martian land area?
Answer by Boreal(9217)   (Show Source):
You can put this solution on YOUR website!
surface area of a sphere is 4pir^2 or 4 pi*6300 km^2 or 498759249.7 km^2
30% of it is
Similar questions