Acafe sells puffs. 5/9 are beef and 1/3 are chicken. the remaining 18 are tuna. calculate 1. what fraction of the puffs are tuna and 2. how many puffs are there in all. i really need to see the working for this.

Asilkworm winds its cocoon out of one long silk fiber. to make silk thread, 3 to 10 of these silk fibers are unwound from their cocoons and combined into aa single thread with a typical length of 300 yards. choose a reasonable number of silk fibers in a thread write an equation to find the total length of the silk fibersused in 300 yards of the thread

What is the simplified expression for 6(2(y+x))

What is 20+(5 x 2/5 )+ 3 show your work