Skeeter, the dog, weighs exactly 36.5 pounds. When weighed on a defective scale, he weighed 38 pounds. (a) What is the percent of error in

Skeeter, the dog, weighs exactly 36.5 pounds.  When weighed on a defective scale, he weighed 38 pounds. (a) What is the percent of error in measurement of the defective scale to the nearest tenth?  (b) If Millie, the cat, weighs 14 pounds on the same defective scale, what is Millie's actual weight to the nearest tenth of a pound?

One pipe can fill a pool 1.25 times faster than a second pipe. When both pipes are opened, they fill the pool in five hours. How long would it take to fill the pool if only the slower pipe is used?

Two cyclists leave a city at the same time, one going east and the other going west. The westbound cyclist bikes 5 mph faster than the eastbound cyclist. After 6 hours they are 246 miles apart. How fast is each cyclist riding?