we know that
1 ounces------------------> is 0.125 cup
if one jar contains------------------> 26 ounces of spaghetti sauce
4 jars---------------------------------> X
X=4*26-----------> 104 ounces
if one ounce---------------> 0.125 cup
104 ounces----------------> X
X=104*0.125-----------> 13 cups
the answer is 13 cups
