or
or
I drive west 10 miles, south 5 miles, west 30 miles, and north 35 miles = west 40 miles, north 30
so we get, (30)² + (40)² = n²
or,900 + 1600 = n²
or,2500 = n²
∴n = 50 or - 50
Throwing out the negative answer, we get the distance to be 50 miles
ans: 50 miles
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