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TPS00
14-ounce energy drink contains 10 ½ teaspoons of sugar.

[tex]10 \frac{1}{2} = \frac{10 \times 2 + 1}{2} = \frac{21}{2} [/tex]

So 14-ounce energy drink contains 21/2 teaspoons of sugar.

1 ounce of energy drink will contain:

[tex]\frac{21}{2} \div 14 = \frac{21}{2 \times 14} = \boxed{ \frac{3}{4} }[/tex]

Hence, 1 ounce of energy drink will contain 3/4 teaspoon full of sugar.
s1m1
We have 10 1/2 tsp of sugar,
if we rewrite 10 wholes and 1/2 in terms of just halves we have 20+1/2= 21/2

10 1/2= 21/2
Divide to 14 ounces to see how much will be on each ounce we have:
21/2 : 14 is the same as
21/2• 1/14= 21•1/2•14= 3•7/2•2•7= 3/4 = 0.75 sugar in a ounce of drink