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After learning how to fly, Wendy reduced her daily commute time by 
75%. Previously, her commute took 
m minutes.
Which of the following expressions could represent Wendy's commute time, in minutes, after she learned how to fly?
Choose 2 answers:
因 
1.75 m
回 
0.75 m
(G) 
(3)/(4)m
(回 
(1)/(4)m
国 
0.25 m

After learning how to fly, Wendy reduced her daily commute time by 75%75\%. Previously, her commute took mm minutes. \newlineWhich of the following expressions could represent Wendy's commute time, in minutes, after she learned how to fly? \newlineChoose 22 answers: \newlinea) 1.75m1.75m \newlineb) 0.75m0.75m \newlinec) (3)/(4)m(3)/(4)m \newlined) (1)/(4)m(1)/(4)m \newlinee) 0.25m0.25m

Full solution

Q. After learning how to fly, Wendy reduced her daily commute time by 75%75\%. Previously, her commute took mm minutes. \newlineWhich of the following expressions could represent Wendy's commute time, in minutes, after she learned how to fly? \newlineChoose 22 answers: \newlinea) 1.75m1.75m \newlineb) 0.75m0.75m \newlinec) (3)/(4)m(3)/(4)m \newlined) (1)/(4)m(1)/(4)m \newlinee) 0.25m0.25m
  1. Calculate new commute time: Calculate the new commute time after a 75%75\% reduction. Since 75%75\% of mm is reduced, Wendy now only spends 25%25\% of her original commute time. Calculate 25%25\% of mm:\newline0.25×m=(1/4)m0.25 \times m = (1/4)m
  2. Calculate 25%25\% of mm: Identify the correct expressions from the options given that equal (1/4)m(1/4)m. Compare each option:\newline11. 1.75m1.75m is not correct as it increases the time.\newline22. 0.75m0.75m is not correct as it represents a 25%25\% reduction, not the remaining time.\newline33. (3/4)m(3/4)m is not correct as it represents a 25%25\% reduction, not the remaining time.\newline44. (1/4)m(1/4)m is correct as it represents the remaining 25%25\% of the time.\newline55. mm00 is correct as it is another form of (1/4)m(1/4)m.

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