Sal's snack mix uses 4 cups of chips mixed with 1 cup of pretzels to make a total of 5 cups of snack mix. What percent of the total snack mix recipe are the pretzels?
Ok, so basically there are 4+1=5 total cups of snack mix, and 1 cup of it is pretzels. Therefore 1/5 of the cup is pretzels. Since 5/5=100%, 1/5=20%.
So the final answer is 20%.