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dedrick31
14.07.2019 •
Mathematics
Andrew jogs at an average speed of 5.5 miles per hour. he is planning a jog for saturday morning. how far can andrew go on his jog? write an equation for the problem and use the equation to answer the question.
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Ответ:
Let
x> the time in hours
y> the distance in miles
we know that
speed=distance/time> speed=y/x> equation 1
speed=5.5 miles/hour> equation 2
equate equation 1 and equation 2
y/x=5.5> y=5.5*x> this is the equation for the problem
the distance that Andrew jogs will depend on the time spent
examples
a) if he runs for 2 hours,
then
x=2 hours
y=5.5*2> y=11 miles
b) if he runs for 3 hours,
then
x=3 hours
y=5.5*3> y=16.5 miles
c) if he runs for 30 minutes
then
30 minutes=0.5 hours
x=0.5 hours
y=5.5*0.5> y=2.75 miles
Ответ:
93.5
Step-by-step explanation:
1.Add all the numbers up which is 935.
2.divide that amount by how much numbers there are, 10. So do 935 divided by 10 which is 93.5