Connor can mow the lawns at College in 10 hours. Professor Nekota can mow
the same lawns in 6 hours. Working together,
how long would it take Connor and
Professor Nekota to mow the lawns?

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.