exam Maths Puzzle Numerical Ability

it takes a painter A 3 hrs to paint a certain area of a hhouse.it takes painter B 5 hrs to do the same job.how long would it take them,working together,to do the painting job?

Read Solution (Total 0)

exam Other Question

Hi there! I am having terrible trouble trying to simplify this expression. Instructions say to simplify and express the answer using positive exponents.
[2x^(3/4)*y^(-1/2)]^(-8) What is the relationship between the lines y=-3x+5 and y=-3x-7? Are they parallel, perpendicular, or neither?