Declare a variable whose value begins at 10. Using addition, update the value to 15 using the compound assignment operator. Using multiplication, update the value to 30 using compound assignment.
{"index.js":"var a = 48;\nvar b = 108;\nvar c = 33;\n\n// Only modify code below this line\n\na /= 12;\nb /= 4;\nc /= 11;\n"} ...