Two brothers

The two brothers have a total of 48 nuts. Two-thirds of the nuts of the first correspond to 2/5 of the number of nuts of the second. How many nuts does everyone have?

Correct answer:

a =  18
b =  30

Step-by-step explanation:

a+b=48 2/3 a=2/5 b  a+b=48 10a6b=0  Pivot:Row1Row2 10a6b=0 a+b=48  Row2101 Row1Row2 10a6b=0 1.6b=48  b=1.648=30 a=100+6b=100+6 30=18  a=18 b=30



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Showing 1 comment:
Michael
Interesting topic





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