Wen was hiking on a 12 mile route. During the first 2 hours, his hiking speed was 3 mph. During the rest of the hike, his speed was 2mph. How long did the entire trip take?

The last time i bought this product , it cost $20.00 but it looks like it cost 29. 60 today? what is the increase

According to statistics a person will devote 32 years to sleeping and watching tv. the number of years sleeping will exceed the number of years watching tv by 18. over a lifetime, how many years will the person spend on each of these activities

Sundar used linear combination to solve the system of equations shown. he did so by multiplying the first equation by 5 and the second equation by another number to eliminate the y-terms. what number did sundar multiply the second equation by? 2x+9y=41 3x+5y=36