A company makes 140 bags.
48 of the bags have buttons but no zips.
49 of the bags have zips but no buttons.
23 of the bags have neither zips nor buttons.
A bag is selected at random.
What is the probability that the bag has buttons?
[tex]48 + 49 + 23 = 120 \\ there \: are \: 20bags \: have \: zips \: and \: buttons \\ \: so \: tere \: are68 \: buttons \\ the \: probability \: is \: \frac{68}{140} [/tex]
