Can you do elimination?

5× 1/2 = ? a) more than 5 because you are multiplying by a whole number b) 5/10 because you multiply the numerator and denominator by 5 c) less than 5 because you are multiplying by a number that is more than 1 d) less than 5 because you are multiplying by a number that is less than 1

How is working backward similar to solving an equation?

Eric drove 275 miles in 5 hours. at the same rate how long would it take him to drive 495 miles?