Guests at a wedding had a choice of three main courses: fish, beef or chicken. ⅖ of the guests ordered fish, 3/10 ordered beef. The rest ordered chicken. What fraction of the guests ordered chicken?

3/10

Step-by-step explanation:

To find the fraction of guests that ordered chicken, we must evaluate:

1 - 2/5 - 3/10

= 1 - 4/10 - 3/10

= 1 - 7/10

= 3/10

he spend 5.1 minutes chatting with his friends

step-by-step explanation:

2/5+1/2=9/10

6/1-9/10=5 1/10

true

step-by-step explanation: