working alone shanice can tar a roof in 12 hours. One day her friend Kathryn helped her and it only took 5.14 hours. How long would it take Kathryn to do it alone

it would only take her 7 hours to do it alone

-12 > a

step-by-step explanation:

-11 > 1 + a

subtract 1 from each side

-11 -1> 1 -1+ a

-12 > a

for me what is finding a good play list and going out because i can not lay down and relax so i usually go to a coffee shop. i also use the gum trick and this actually works. another advice is highlighting subjects it really does me remember certain things

step-by-step explanation: