Concept:The operator % means subtract the second number from the first, then multiply the result by 2.Explanation:For 52%32: 52−32=20, then 20×2=40.For 22%20: 22−20=2, then 2×2=4.Apply the same rule to 15%11: 15−11=4.Then, 4×2=8.Answer:The value of 15%11 is 8.