The ketchup

If 3 1/4 of tomatoes are needed to make 1 bottle of ketchup. Find the number of tomatoes required to make 4 1/5 bottles

Correct result:

n =  13.65

Solution:

n1=3+14=134=3.25 n2=4+15=215=4.2  n=n1 n2=3.25 4.2=27320=13.65n_{1}=3 + \dfrac{ 1 }{ 4 }=\dfrac{ 13 }{ 4 }=3.25 \ \\ n_{2}=4 + \dfrac{ 1 }{ 5 }=\dfrac{ 21 }{ 5 }=4.2 \ \\ \ \\ n=n_{1} \cdot \ n_{2}=3.25 \cdot \ 4.2=\dfrac{ 273 }{ 20 }=13.65



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