Item 17 The cities Portland, Oregon; Tacoma, Washington; and Seattle, Washington, in respective order, lie approximately in a st
raight line. The distance from Portland to Tacoma is 120 miles. The distance from Portland to Seattle is 145 miles. Find the distance from Tacoma to Seattle.
1 answer:
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Well the equation of this line is . Which means that for any value of y the x will always equal to 3/5, so the points (ordered pairs) for eg. are
.
Hope this helps.