Answer:
Step-by-step explanation:
4x+27
---- ----
4 4
x=6.75 or x=7
15r means that she burns 15 calories per min, for as many mins as she ran. EG: if she ran for 10 min, then she burned 150 cals. The other one I'm not so sure.
Answer:

Step-by-step explanation:

I am joyous to assist you anytime.
Answer:
4m - 15
Step-by-step explanation:
a( x + y) = ax + ay
