Question

Joy organises a large wedding.guests had to choose their meal from beef,chicken or vegertarian

1/3 of the guests chose beef
5/12 of the guests chose chicken
69 of the guests chose vegetarian
how many guests are at the wedding

Answer 1

276 guests

Explanation:

69/x = 3/12

(the 3/12 is from the amount of guests that chose vegetarian. 1/3=4/12, and 4/12+5/12=9/12. 12/12-9/12=3/12=1/4)

69/x=1/4

cross multiply

69*4=x

276=x