caroline can paint a fence in 6 hours. her sister lily can paint the same fence in 4 hours. how…

caroline can paint a fence in 6 hours. her sister lily can paint the same fence in 4 hours. how long will it take if they work together?

"Our Prices Start at $11.99. As Our First Client, Use Coupon Code GET15 to claim 15% Discount This Month!!":

Get started