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Answer: 900m
Explanation.
There are two ways you can solve to find the number of meters waved...I’ll show you how to do both.
Plan A:
1. Find the rate of meters weaves per hour by dividing 450 meters by 6 hours. The answer is 75 meters per hour.
2. Multiply the rate per hour (75) times 12 to find how many meters are weaved on 12 hours.
Plan A Answer: 900m
Plan B:
1. Set up a proportion like the one below:
2. Cross multiply and solve for x
Plan B answer: 900m
Explanation.
There are two ways you can solve to find the number of meters waved...I’ll show you how to do both.
Plan A:
1. Find the rate of meters weaves per hour by dividing 450 meters by 6 hours. The answer is 75 meters per hour.
2. Multiply the rate per hour (75) times 12 to find how many meters are weaved on 12 hours.
Plan A Answer: 900m
Plan B:
1. Set up a proportion like the one below:
2. Cross multiply and solve for x
Plan B answer: 900m
To figure out which of the coordinates don't work, we need to substitute their values of x and y to figure out if they work or not. We will know they don't work if the result we get is something crazy like 2=25.
Substitute the values of x and y from a
Now we simplify
Since this is true we know that the point (5,6) works. Now let's move onto B.
Once again, we substitute.
This simplifies to
Since this is obviously not right, we know that is the point that doesn't work in this system of equations.
Substitute the values of x and y from a
Now we simplify
Since this is true we know that the point (5,6) works. Now let's move onto B.
Once again, we substitute.
This simplifies to
Since this is obviously not right, we know that is the point that doesn't work in this system of equations.