If a minute milebut my friend runs 50% fasterhow fast does my friend run?

90 mph

Step-by-step explanation:

-Let the distance of my friend be X.

-Given that I run a mile in 1 minute, my speed is calculated as:

-Since my friend run's 50% faster, his/her speed would be:

Hence, my friend's speed is 90 mph

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,