The correct answer is centriod
2 ( x + 1 ) = 12
Use distributive property:
2x + 2 = 12
Subtract 2 from both sides:
2x = 10
Divide both sides by 2:
X = 5
Answer:28
Step-by-step explanation:
Mowing 50
Car washing 34
Total amount 84
Now divide by 3 accounts 84/3=28
9,864,320
Hope this helps, let me know if there's anything else I can help you with :)
Their error is that they divided 12 by 30, instead of 30 by 12 in order to get the price per pair
the correct unit price is $2.50 per pair
2.5 * 12 = 30