X+4=-4
3x-8=-8
Hope it helps.
84/14 = 6
dont u have calculator
First convert 6.5% into a decimal and get .065
next multiply 4226 by .065 to find 6.5% of $4226 to find Sam's commission
4226 times .065=274.69
answer: $274.69 is Sam's commission
In each quantity of 87 cg, 1 of them is active ingredient. In the quantity of interest,
... (1/87)·522 cg = 6 cg . . . is active ingredient
The remainder of that quantity, 516 cg, is inactive ingredient.