exam
Maths Puzzle
Numerical Ability
solve the following if a = 7 and b = 3.
3ab + 6 =
12a divided by (2b) =
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exam Other Question
3/4x-1/3x+=5/6x-5
how many milileters of a 20% acis solution must be mixed with 30ml of an 80% acid solution to make a 32% acid solution? i have to show a chart and fill it out