lily worked 3 hours more than andrea. together they worked a total of 16 hours. andrea worked a hours. Which equation represents this situation?
A. a+3=16
B. a+6=16
C. a+(a-3)=16
D. a+(a+3)=16

Respuesta :

Answer:

The times were Lily 9.5 hours and Andrea 6.5 hours.

Equation "D" is correct using those numbers.

Step-by-step explanation: