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const2013 [10]
3 years ago
13

Jose runs 3 mikes in 28 minutes. At the same rate, how many miles would he run in 42 minutes?​

Mathematics
2 answers:
My name is Ann [436]3 years ago
8 0

Answer:

4.5 \: miles

Step-by-step explanation:

3 \: miles \: in \: 28 \: minutes.

x \: miles \: in \: 42 \: minutes.

28x=42 \times 3

28x=126

\frac{28x}{28}=\frac{126}{28}

x=\frac{9}{2}

asambeis [7]3 years ago
7 0

Answer:

4.5 \:  \: miles \\

Step-by-step explanation:

3 \:  \: miles = 28 \:  \: min \\ \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  x  \:  \:  \: = 42 \: min

use cross multiplication

42 \times 3 = 28 \times x \\ 12 6 = 28x \\  \frac{126}{28}  =  \frac{28x}{28} \\  x = 4.5 \:  \: miles

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