Tracy can wallpaper 5 rooms in a new house in 30 hours. together with her trainee they can wallpaper 5 rooms in 19 hours. how long would it take the trainee working by herself to do the job?

Ke’ajah has a coupon for 1/3 off the regular price, t, of a tent. which expression represents the price of the tent using the coupon? select the two correct expressions. a. 1/3t b. 2/3t c. t - 1/3 d. t - 2/3 e. t - 1/3t f. t - 2/3t