How many 4/5 cup servings are in 2/5 of a cup of ice cream (in simpleist form)

There is 1/2  of 4/5 cup servings in a cup of ice cream.

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,