An experienced tinter can tint a car in 4 4hours. A beginning tinter needs 9 hours to complete the same job. Find how long it takes for the two to do the job together.

in if you ask questions, the points are taken from your total and given to the one who answered it..

so if i have 30 points and i ask a question for 5 points, then when someone asks a question i will lose 5 points and the answerer earns 5

happy to

no because after the troops were pulled many blacks were killed by hangings lynchings and other cruel ways which in a way interrupted the reconstruction of the south and differed from the way abraham lincoln had an idea of reconstruction

i agree because i see the other persons thinking is clear