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The double number line shows how many meters a dragonfly can fly in 1 second.
Which table represents the rate at which a dragonfly can fly?
Choose 1 answer:
(A) 


Seconds
Meters


8
225


12
300


20
550




(B) 


Seconds
Meters


3
75


5
125


10
250

The double number line shows how many meters a dragonfly can fly in 11 second.\newlineWhich table represents the rate at which a dragonfly can fly?\newlineChoose 11 answer:\newline(A) \begin{tabular}{|ll|}\newline\hline Seconds & Meters \\\newline\hline 88 & 225225 \\\newline1212 & 300300 \\\newline2020 & 550550 \\\newline\hline\newline\end{tabular}\newline(B) \begin{tabular}{|ll|}\newline\hline Seconds & Meters \\\newline\hline 33 & 7575 \\\newline55 & 125125 \\\newline1010 & 250250 \\\newline\hline\newline\end{tabular}

Full solution

Q. The double number line shows how many meters a dragonfly can fly in 11 second.\newlineWhich table represents the rate at which a dragonfly can fly?\newlineChoose 11 answer:\newline(A) \begin{tabular}{|ll|}\newline\hline Seconds & Meters \\\newline\hline 88 & 225225 \\\newline1212 & 300300 \\\newline2020 & 550550 \\\newline\hline\newline\end{tabular}\newline(B) \begin{tabular}{|ll|}\newline\hline Seconds & Meters \\\newline\hline 33 & 7575 \\\newline55 & 125125 \\\newline1010 & 250250 \\\newline\hline\newline\end{tabular}
  1. Check Rates Consistency: : Check if the rates in Table (A) are consistent.\newlineCalculate the rate for each pair of values.\newlineRate for 88 seconds: rac{225 ext{ meters}}{8 ext{ seconds}} = 28.125 ext{ meters per second}.\newlineRate for 1212 seconds: rac{300 ext{ meters}}{12 ext{ seconds}} = 25 ext{ meters per second}.\newlineRate for 2020 seconds: rac{550 ext{ meters}}{20 ext{ seconds}} = 27.5 ext{ meters per second}.
  2. Calculate Rates: : Notice the rates in Table (A)(A) are not the same, which means the rate is not consistent.
  3. Inconsistent Rates: : Check if the rates in Table (B) are consistent.\newlineCalculate the rate for each pair of values.\newlineRate for 33 seconds: rac{75 ext{ meters}}{3 ext{ seconds}} = 25 ext{ meters per second}.\newlineRate for 55 seconds: rac{125 ext{ meters}}{5 ext{ seconds}} = 25 ext{ meters per second}.\newlineRate for 1010 seconds: rac{250 ext{ meters}}{10 ext{ seconds}} = 25 ext{ meters per second}.
  4. Check Rates Consistency: : Notice the rates in Table (B)(B) are the same, which means the rate is consistent.

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