Well what is 30x3 (because that is how you would find what is one third of unknown) then you find the answer witch is 90$
Answer:
293 miles
Step-by-step explanation:
284.58-17.95=266.63
266.63/0.91=293
293 miles
Its because 20 is doubling its self. Its using 100% of its number, While 40 is decreasing by 50%. Half of forty is 20. Half equals 50%.