exam Maths Puzzle Numerical Ability

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

Read Solution (Total 0)

exam Other Question

solve the following if a = 7 and b = 3.

3ab + 6 =

12a divided by (2b) =
Can someone help me on this?
I need to find the LCM for 4 and 20. (Least common multiples)

Thanks,
Ashley