276 divides by 4 = 69
So 3x69 = 207 + 276 = $483
Step-by-step explanation:
-18.4,-17.3,-1.4,7.8,15.8,16.2
-8 and +8 equal 0 since they cancel out. It's basically 8-8. So that leaves you with 0-(-7). The two negatives make a positive, now you're left with 0+7=7. Your answer is 7. Hope this helps :)