Step-by-step explanation:
Let x be the number of logs=18 hours
6 logs=4 hours
X*4=18*6
4x=108
x=27 logs
so therefore 27 logs are needed to keep the fire burning for 18 hours
Answer:
4
Step-by-step explanation:
Answer:
A and B
Step-by-step explanation:
1/4x^2 = (1/2x)^2