Question
$7-18 \cdot$ Express the given quantity in terms of the indicated variable. The distance (in mi) that a car travels in 45 min; $s=$ speed of the car (in $\mathrm{mi} / \mathrm{h} )$
Step 1
However, the speed of the car is given in miles per hour. So, we need to convert the time from minutes to hours. We know that 1 hour is equal to 60 minutes. Therefore, we can write 45 minutes as $\frac{45}{60}$ hours. Show more…
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$7-18 \cdot$ Express the given quantity in terms of the indicated variable. The time (in hours) it takes to travel a given distance at $55 \mathrm{mi} / \mathrm{h} ; \quad d=$ given distance (in mi)
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Express the given quantity in terms of the indicated variable. The distance (in $\mathrm{mi}$ ) that a car travels in $45 \mathrm{min}$; $s=$ speed of the car (in $\mathrm{mi} / \mathrm{h}$ )
Prerequisites
$7-20=$ Using Variables Express the given quantity in terms of the indicated variable. The distance (in mi) that a car travels in 45 min; $s=$ speed of the car (in mi/h)
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