Mixing 5

Carlos mixed 4/15 of chocolate syrup with 1/2 of milk.
Determine the reasonable estimate of the total amount of liquid

Correct result:

x =  8:15

Solution:

$s=\dfrac{ 4 }{ 15 } \doteq 0.2667 \ \\ m=\dfrac{ 1 }{ 2 }=0.5 \ \\ \ \\ x=s / m=0.2667 / 0.5=\dfrac{ 8 }{ 15 }≈ 0.5333=8:15$

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