Question

The speed of an Arabian horse is "4x + 2" miles per hour slower than a thoroughbred horse with a speed of "25x − 5" miles per hour. Find a single expression that represents the speed of an Arabian horse. A) 21x − 3 B) 21x − 7 C) 29x − 3 D) 29x − 7

PLS AWNSER THIS WERE GOING TO LEEVE AT 855

Answer 1

B) 21x-7

Explanation:

Let A = speed of Arabian horse and T = speed of thoroughbred.

Then

A = T – (4x + 2)

A = T – 4x - 2 Remove parentheses

A = 25x - 5 - 4x – 2 Combine like terms

A = 21x - 7