There is 26 fluid how many cups of spaghetti sauce do 4 jars contain

1 jar=26 fluid ounces(  converted it to cups)which is 3.25 cups.
To find 4 jars, just multiply 3.25 and 4 to get 13.

First find out how many fluids in 4 jars

26 × 4 = 104
104 fluids in 4 jars

1 Fluid Ounce = 0.125 Cup

Convert:-

0.125 × 104 = 13

104 fluid ounces = 13 cups

4 Spaghetti sauce jars contain 13 cups.