How many driveways can you and your friend shovel if you work together for 5 hours each day for 2 days

Mathematics

1 answer:

IRISSAK [1]3 years ago

4 0

Answer:

13 driveways with a quarter of an hour to spare

Step-by-step explanation:

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What is the difference of them fractions 1/5 - 3/4

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Step-by-step explanation:

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2 years ago

The sum of two numbers is 75. The second number is 3 less than twice the first

Mandarinka [93]

Answer:

$\large{\textbf{The two numbers are: 26 and 49}.\\}$

Step-by-step explanation:

$\large{\textup{assume the two numbers are $x$ and $y$.}}\\\large{\textup{The given sentences are written in mathematical terms as follows:}\\$$ x + y = 75 \hspace{25mm} (1)$$ $$ y = 2x - 3 \hspace{25mm} (2) $$ \\\textup{Substituting $(2)$ in $(1)$,}\\\begin{align*} & \implies x + 2x - 3 = 75 \\& \implies 3x = 78 \\& \implies x = 26\end{align*}\textup{Substituting $x$ in $(1), \hspace{5mm} y = 49$} }$