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Sagot :
Step-by-step explanation:
Miles = 15 1/10
Miles = 151/10 miles
Hour = 1/3 hour
Av = 151/10 miles / 1/3 hour
Av = 151/10 × 3 / 1/3 × 3
Av = 453/10 miles / hour
Av = 45,3 mil / h
Given:-
[tex]\red{➤}\:[/tex][tex]\sf Distance \: travelled \: by \: Car= 15\dfrac{1}{10} miles[/tex]
[tex]\quad\sf =\dfrac{10×15+1}{10}= \dfrac{151}{10} miles[/tex]
[tex]\red{➤}\:[/tex][tex]\sf Time \: taken \: by \: Car= \dfrac{1}{3} \:hours [/tex]
[tex]\\[/tex]
To Find:-
[tex]\orange{☛}\:[/tex][tex]\sf Average \: Speed \: of \:Car, \:in \: miles \: per \: hour [/tex]
[tex]\\[/tex]
Solution:-
[tex]\underline{\tt{Formula\:Applied}}[/tex]
[tex]\green{ \underline { \boxed{ \sf{Speed=\dfrac{Distance \:travelled}{Time \:taken}}}}}[/tex]
[tex]\\[/tex]
[tex]\underline{\tt\pink{Putting \:Values-}}[/tex]
[tex]\begin{gathered}\\\quad\longrightarrow\quad \sf Speed=\frac{\frac{151}{10}}{\frac{1}{3}} \\\end{gathered} [/tex]
[tex]\begin{gathered}\\\quad\longrightarrow\quad \sf Speed=\frac{151×3}{10×1} \\\end{gathered} [/tex]
[tex]\begin{gathered}\\\quad\longrightarrow\quad \sf Speed=\frac{453}{10} \\\end{gathered} [/tex]
[tex]\begin{gathered}\\\quad\longrightarrow\quad \sf Speed=45\frac{3}{10} miles \: per \: hour\\\end{gathered} [/tex]
[tex]\boxed{\sf{Speed \:of \: the \: Car = 45\frac{3}{10} miles/hour}}[/tex]
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