A group of friends hiked 7 miles in 2 hours at this same rate what is the total number of miles they can hike in 8 hours

My favorite songstress gives away 25% of this side of her signature fragrance collection to her charity last month her sales were 1200 how much of her sales did she donate

And explain how you got it so i can understand future problems : 3

The class wants to raise a total of $750.if they receive a profit of $1.25 from each candybar sold, how many bars must they sell to reachtheir goal