Which of the following contains a variable? A. The mass is 95 kilograms. B. Sally ran twice as fast as Sue. C. They drove 49 miles per hour. D. She has 5 sisters.

Question

asked Mar 17, 2020 14.1k views

1 Answer

Vishnu Sureshkumar · Answer 1 · 2020-03-23T21:32:10+0000

Answer:

B

Explanation:

We do not know how fast Sally or Sue is.

If Sally ran at a speed of x, and Sue at a speed of y, we have an equation as follows:

x = 2y