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Trains Two trains, Train A and Train B, weigh a total of 515 tons Train Ais heavier than Train
The difference of their weights is 475 tons. What is the weight of each train?

Sagot :

Mohsin257

Answer:

By using linear equation

Step-by-step explanation:

a+b=515......Equation 1

a-b=475.........Equation 2

From equation 1

a=515-b

Putting value of a in Equation 2

515-b - b=475

515- 2b=475

515-475=2b

2b=515-475

2b=40

b=40/2

b= 20

Putting b=20 in Equation 1

a+20=515

a=515-20

a= 495

a=495

b= 20

Check whether equation hold true

a+b=515

495+20=515

a-b= 475

495-20=475

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