Question

question 2 of 25
megan has 25 phone numbers stored in her cell phone. abby has some phone numbers stored in her cell phone. together they have a total of 61 phone numbers stored.
if n = the number of phone numbers abby has stored in her cell phone, which mathematical sentence expresses the information above?
a. n + 61 = 25
b. n + 25 = 61
c. n - 25 = 61
d. n - 61 = 25

Explanation:

Step1: Identify known - unknown

Megan has 25 numbers, Abby has $n$ numbers, total is 61.

Step2: Form equation

Sum of Megan's and Abby's numbers equals total. So $n + 25=61$.

Answer:

B. $n + 25 = 61$