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2 years ago

Jose travels 130 miles in 150 minutes. Home many miles does Jose travel in 1 hour?

Mathematics

2 answers:

Solnce55 [7]2 years ago

7 0

51.60 miles per hour

Wewaii [24]2 years ago

4 0

keeping in mind that 1 hour is really 60 minutes, then

$\bf \begin{array}{ccll} miles&minutes\\ \cline{1-2} 130&150\\ x&60 \end{array}\implies \cfrac{130}{x}=\cfrac{150}{60}\implies \cfrac{130}{x}=\cfrac{5}{2} \\\\\\ \cfrac{130\cdot 2}{5}=x\implies 52=x$

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Part 1) $-1.25$ -------> $2.75/(-2.2)$

Part 2) $-4\frac{1}{3}$ --------> $(-2\frac{3}{5}) / (\frac{3}{5})$

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Step-by-step explanation:

Part 1) we have

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Remember that

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Part 2) we have

$(-2\frac{3}{5}) / (\frac{3}{5})$

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Convert to mixed number

$-\frac{13}{3}=-(\frac{12}{3}+\frac{1}{3})=-4\frac{1}{3}$

Part 3) we have

$(-\frac{10}{17}) / (-\frac{15}{17})$

Since division is the opposite of multiplication, you can turn this division problem into a multiplication problem by multiplying the top fraction by the reciprocal of the bottom fraction

$(-\frac{10}{17}) / (-\frac{15}{17})=(-\frac{10}{17})*(-\frac{17}{15})=\frac{10*17}{17*15}=\frac{10}{15}$

Simplify

Divide by 5 both numerator and denominator

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Part 4) we have

$(2\frac{1}{4}) / (\frac{3}{4})$

To calculate the division problem convert the mixed number to an improper fraction

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$(\frac{9}{4}) / (\frac{3}{4})$

Since division is the opposite of multiplication, you can turn this division problem into a multiplication problem by multiplying the top fraction by the reciprocal of the bottom fraction

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