Answer:
27.33333... mph
Step-by-step explanation:
Find 1/3 of 20 1/2: 1/3*41/2=41/6
That equals 6.83333...
Now add 20 1/2 and 6.83333 = 27.3333...
Therefore, 27.33333... mph
Answer:
70%
Step-by-step explanation:

<u><em>Calculate</em></u>
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<u><em>Cross out the common factor</em></u>
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<u><em>Multiply a number to both the numerator and the denominator</em></u>
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<u><em>Write as a single fraction</em></u>
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<u><em>Calculate the product or quotient</em></u>
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<u><em>Calculate the product or quotient</em></u>
<u><em /></u>
<u><em>Rewrite a fraction with denominator equals 100 to a percentage</em></u>
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%
<em>I hope this helps you</em>
<em>:)</em>
The answer is 31 1/6, I hope this helps!
(10+t)/(18+t)=8/10
8(18+t)=10(10+t)
144+8t=100+10t
44=2t
t = 22 throws