New ratio

The ratio of ducks and chickens in our yard is 2 : 3. The total number of ducks and chickens together is 30. The mother gave 3 of the chickens to our neighbor. What is the new ratio now?

Correct answer:

r =  4:5

Step-by-step explanation:

a+b=30 a=2/3 b  a+b=30 3a2b=0  Pivot:Row1Row2 3a2b=0 a+b=30  Row231 Row1Row2 3a2b=0 1.67b=30  b=1.6666666730=18 a=30+2b=30+2 18=12  a=12 b=18  r=b3a=18312=54=0.8=4:5



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Showing 1 comment:
Primera09
My son needs help with understanding word problems solving ratio





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