An online sporting goods store changes $12 for a pair of athletic socks. shipping is $2 per order. hana orders 3 pairs of athletic socks and her friend, charlie, orders 2 pairs of athletic socks. what is the total cost, including shipping, for both orders? show your work.

Step-by-step explanation:

12·3=36

2·3=6 (this is the shipping cost for Hana's)

36+6= 42

Next

12·2=24

2·2=4

24+4=28

28+42= 70

cant open file sorry!

step-by-step explanation:

b) 1/3 * 1/5

step-by-step explanation:

each smallest part is 1/15 since the written one is 1/5 and it's divided by 3 equal parts. (1/5 )/3 = 1/15 = 1/3 * 1/5