28 divided by 1.0000 is 20
Hi there!
Everything looks correct except for the step to get to -6x < 36. Here you put multiplication property of order, and to get here you have to add 30 to both sides, so it would actually be the addition property of order.
I hope I helped!
I guess you are asking the measurement of the external angle of 60. If so it will be 120 or the supplement of 60 is 120
180 ÷ 1.5 = 120
Check your answer - 120 × 1.5 = 180
Final answer: 120 miles.