SOLUTION: marty’s age is 36, which is 12 more than 4 times daisy’s age. how old is daisy?

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Question 1196731: marty’s age is 36, which is 12 more than 4 times daisy’s age. how old is daisy?


Found 2 solutions by josgarithmetic, ikleyn:
Answer by josgarithmetic(39614)   (Show Source): You can put this solution on YOUR website!
Answer by ikleyn(52756)   (Show Source): You can put this solution on YOUR website!
.

Solve  MENTALLY  in  2  steps,  using backward method. 

    Step 1.  Subtract 12 from 36 to get  36-12 = 24.


    Step 2.  Divide 24 by 4 to get  24/4 = 6.


ANSWER.  Daisy is 6 years old.

Solved.

This method is good for the second grade students,  who just can subtract and divide integer numbers,
but did not learn equations,  yet.



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