The answer would be....(r + 3w) × ( r - 3t)
15=3b
15/3 = 3b/b
5= b
Isolate the variable by diving 3 on both sides
The one on the right is correct. please give brainliest.
Work out the difference (increase) between the two numbers you are comparing. Then: divide the increase by the original number and multiply the answer by 100. % increase = Increase ÷ Original Number × 100. If your answer is a negative number then this is a percentage decrease.