A website Maths Puzzle Percentage

The percentage of salt in 2L of water is 10%. How much water needs to addad to get a saline solution wih 8% salt?

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A website Other Question

solve the following inequality for x -5(1-x)+x LESS THAN OR EQUAL TOO -(6-2X)+6

GRAPH THE FOLLOWING LINEAR EQUATIONS
A) X-3Y=3
b) X=-Y

FIND THE SLOPE OF THE FOLLOWING LINES find the remainder when 2^2014 is divided by 10