exam
Maths Puzzle
Numerical Ability
The sum of two numbers is 24, and one is twice the other. find the numbers.
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exam Other Question
A rainwater collection tank is nearly full at a level of 120 in. The water will be used at a rate that lowers the level 6 in. per day. Which equation can be used to determine the time it will take (in days) to lower the level to 3 in.?
Whats wrong with this?
|m+3| = 12-2m
m+3=12-2m
3=12+2m
3=12-12+2m
3/2=2m/2
m=1.5 or -5
also
I need help with this one.
1/2|6-2x|=3x + 1