Two laborers sand the hardwood floor of an events hall in 9 hours. a) How long would it take if three laborers worked together given that they have the same abilities?
b) How many workers would be needed to finish in 4 hours or less?

PLS help 20 points !!

lolololkzaxio2ier286udeg

this is the formula: v = the value of investment at the end of the time period

p = the principal amount (the initial amount invested)

r = the annual interest rate

n = the annual frequency of compounding (how many times a year interest is added)

t = the number of years the money is invested

^ means raise to the power of

6(h+1)/2=a

a=area

step-by-step explanation:

its the same thing as a square or rectangle but after multiplying two sides you need to divide it by two.