Answer:
[tex]100\ ft[/tex]
Step-by-step explanation:
we know that
the formula to calculate the distance between two points is equal to
[tex]d=\sqrt{(y2-y1)^{2}+(x2-x1)^{2}}[/tex]
Let
A(-7,8) -----> coordinates of the tent
B(2,8) ----> coordinates of the store
C(2,-3) ----> coordinates of the swimming pool
step 1
Find the distance from the tent to the store
[tex]A(-7,8),B(2,8)[/tex]
substitute in the formula
[tex]dAB=\sqrt{(8-8)^{2}+(2+7)^{2}}[/tex]
[tex]dAB=\sqrt{(0)^{2}+(9)^{2}}[/tex]
[tex]dAB=9\ units[/tex]
step 2
Find the distance from the store to the pool
[tex]B(2,8),C(2,-3)[/tex]
substitute in the formula
[tex]dBC=\sqrt{(-3-8)^{2}+(2-2)^{2}}[/tex]
[tex]dBC=\sqrt{(-11)^{2}+(0)^{2}}[/tex]
[tex]dBC=11\ units[/tex]
step 3
Adds the distances
[tex]9\ units+11\ units=20\ units[/tex]
Convert to feet
[tex]20\ units=20*5=100\ ft[/tex]