7+13+1.5=21.5
If he did it again the way back, it's 21.5 times 2.
He went a total of 43 blocks.
a car travels along a straight road to the east for 150 meters in 4 seconds and west for 50 meters in one second
This is the Pythagorean theorem where the 2 legs of a triangle squared add up to equal the squared hypotenuse (a^2 + b^2 = c^2)
The equation would be
12^2 + 5^2 = x^2
144 + 25 = 169
The square root of 169 = 13
Answer - 13 ft
