Answer:
letter a
Step-by-step explanation:
0.3 + 0.4= 0.8
A(b - c) = d
ab - ac = d
ac = ab - d
c = (ab - d)/a
Answer:
the number of kilometers hiked in all is 
Step-by-step explanation:
The computation of the number of kilometers hiked in all is shown below:
= Erwin + Jericho

Hence, the number of kilometers hiked in all is 
Answer:
70.60
Step-by-step explanation:
Answer:
sorry i can't understand your language ? please let me in English language ~_~