exam Maths Puzzle Numerical Ability

How many liters (L) of a 30% ACID SOLUTION MUST BE ADDED TO 8 L of an 55% acid solution to obtain a 40% solution?

Read Solution (Total 0)

exam Other Question

i need to find the asymptotes of the rational function of
6x^2/2x^2+5x+2
log (x+10) - log (x+4) = log x