Question

11. When Cathy Turner qualified for the Olympics in speed skating, she broke two American
records in the 1,000-metre and 5,000-metre races. She took 35.7 seconds to complete the 1,000-
metre race. What was her speed in metre per second?
distance
your brother travelled 117 kilometres in 2.25 hours to come home for Christmas. What was the
12​

Answer 1

Step-by-step explanation:

$She \: \: took \: \: 35.7 \: \: seconds \: \: to \\ complete \: \: 1000 \: \: metre \: \: race. \\ \\ It \: \: means, \: \: She \: \: took \: \: 35 \: \: minutes \: \: 7 \: \: seconds \\ to \: \: complete \: \: 1000 \: \: metre \: \: race. \\ \\ 1 \: \: minute = 60 \: \: seconds \\ \\ 35 \: \: minutes \: \: 7 \: \: seconds \\ = 35 \times 60 = 2100 + 7\\ = 2107 \: \: seconds \\ \\ Her \: \: Speed = \frac{2107}{1000} \\ = \large{ \bf{ \underline{ \underline{2.107 \: \: metres \: \: per \: \: second}}}}$