Bent scale

Monica weighed 52 kg. Sara 54 kg. Together they weighed 111 kg. They noticed that the needle on the scale was bent. How much did they really weigh?

Correct answer:

M =  57 kg
S =  59 kg

Step-by-step explanation:

M+x=52 S+x=54 M+S+x=111  M+x=52 S+x=54 M+S+x=111  Row3Row1Row3 M+x=52 S+x=54 S=59  Row3Row2Row3 M+x=52 S+x=54 x=5  x=15=5 S=54x=54+5=59 M=52x=52+5=57=57 kg  M=57 S=59 x=5
S=59=59 kg



Did you find an error or inaccuracy? Feel free to write us. Thank you!







Tips for related online calculators
Do you have a linear equation or system of equations and looking for its solution? Or do you have a quadratic equation?

You need to know the following knowledge to solve this word math problem:


 
We encourage you to watch this tutorial video on this math problem: video1

Related math problems and questions: