book Maths Puzzle Numerical Ability

simplify the complex fraction : Rt=1/((1/R1)+(1/R2)+(1/R3))

in R1, R2, and R3 1,2, and 3 are subscripts

Read Solution (Total 0)

book Other Question

Any help would be appreciated.

There are 1200 students at a University taking Precalculus. Find the number of freshmen in this course if there are three-fifths as many freshmen Can someone tell me if this is right? What is the slope of the line that has the equation 4x + 2y =12? Is the right answer 2????? Please let me know?