We can start by finding the length of Rod B using the information given about Rod A. We know that Rod A is 9 meters long and is 18 meters longer than Rod B. So we can set up an equation:
9 = B + 18
Solving for B, we subtract 18 from both sides:
B = 9 - 18
B = -9
This doesn't make sense as a length for a rod, so we must have made an error. Let's check our equation:
9 = B + 18
We can see that we need to subtract 18 from both sides, not add:
9 - 18 = B
Simplifying, we get:
-9 = B
This still doesn't make sense as a length for a rod, so we need to double-check the problem statement. We see that we made an error in reading the length of Rod A - it is actually 10 meters long, not 9.
Now we can set up the equation:
10 = B + 18
Solving for B:
B = 10 - 18
B = -8
Again, this doesn't make sense as a length for a rod, so we need to keep checking. We realize that we misread the problem again - Rod A is actually 1.8 meters longer than Rod B, not 18 meters longer.
So we set up the correct equation:
10 = B + 1.8
Solving for B:
B = 10 - 1.8
B = 8.2
Now we know that Rod B is 8.2 meters long. We also know that Rod C is 1.10 meters shorter than Rod B. So we can set up the equation:
C = B - 1.10
Substituting in the value of B:
C = 8.2 - 1.10
C = 7.1
Therefore, the length of Rod C is 7.1 meters.
Rod A is
9
10
m long.
It is
1
8
m longer than Rod B.
Rod C is
1
10
m shorter than Rod B.
What is the length of Rod C?
4 answers
9 x 8
72
7/80
1 answer