Which rate is the Best Buy (meaning it had the lowest unit cost)? (A) 8 for $11.00,
(B) 1 for $1.37,
(C) 4 for $5.50,
(D) 16 for 21.60

72 is the answer to this problem

step-by-step explanation:

answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,

she will travel a distance in the range of 3 - 11 miles