Jennifer and Callie are training for a marathon. Jennifer has run m miles, and Callie has run 3 times as many as Jennifer. The expression shows how many miles they have run altogether.
m + 3m
Which of the following expressions could be used to get the same results?
4m
The given expression is m + 3m.
To obtain the same result, we can combine like terms. Adding m and 3m is equivalent to adding 1m and 3m, which gives us 4m.
Therefore, the expression 4m could be used to get the same result.