It makes your life easier.One way is by just adding a 0 after the number.
Ex 2*10 is 20 see what I mean.
First do 43 - 30= $13 for two hats
so for one hat you do 13 divided by 2 which equals= <u>$6.50</u> for one hat
then you do 30 - 13= $17 for two pairs of gloves
so for one pair of gloves you do 17 divided by 2=<u> $8.50</u> for one pair of gloves
D. not shown , ...............
Answer is 21.4 %
Used a probability tree diagram.
ANSWER ⇒ the total number of straws in the bundle is 288
I hope this helps you :)