How does knowing the double 6+6=12 solve the near double 6+7=13?

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.

1. how do you convert the repeating, nonterminating decimal 0. to a fraction? explain the process as you solve the problem.

12 out of 30 people chose their favourite colour as blue caculate the angle you would use for blue on a pie chart