What percent of total hours was spent jogging?

Question 5 spring semester final exam math evaluate

Boris needs to buy plastic spoons. brand a has a box 42 spoons for $2.37. brand b has a box of 72 spoons for $3.57. find the unit price for each brand. then state which brand is the better buy based on the unit price. round your answer to the nearest cent.

The graph shows the amount of total rainfall at each hour what was the total rainfall amount after three hours