Shanna is planning a trip from Dallas, Texas, to San Diego, California. She knows that the distance she will travel is about 1400 miles. If she looks at a map with a scale of 1 in. = 300 mi, about how far will the trip be on the map?
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4.67 inches

Step-by-step explanation:

Shanna is planning a trip from Dallas, Texas, to San Diego, California.

She will travel about = 1,400 miles

The scale of a map is 300 miles = 1 inches

The trip of 1,400 miles =

                                    = 4.66666 inches ≈ 4.67 inches

Her trip is 4.67 inches far on the map.

expression #3 is not equivalent. the others are.

50 min

step-by-step explanation:

they will be decreasing both their times in half

60 / 2 = 30

40/2 = 20

30 + 20 = 50