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The local gym holds two 45-minute workout sessions and four 30-minute sessions each week. Judy attended all of the sessions this week but left 5 minutes early during the 30-minute sessions and 10 minutes early during the 45-minute sessions. How many total minutes did Judy work out for the week?

Answer :

Semsee45go

Answer:

170 minutes

Step-by-step explanation:

Weekly gym sessions:

  • Two 45-minute workout sessions.
  • Four 30-minutes sessions.

Therefore, the total time for all sessions is:

[tex]\begin{aligned}\implies \sf Total\:time & = \sf 2 \times 45 + 4 \times 30\\& = \sf 90 + 120 \\& = \sf 210 \:\:minutes\end{aligned}[/tex]

If Judy attended all sessions, yet

  • left 10 minutes early during the 45-minute sessions, and
  • left 5 minutes early during the 30-minute sessions.

[tex]\begin{aligned}\implies \sf Total\:time\:Judy\:lost& = \sf 2 \times 10 + 4 \times 5\\& = \sf 20 + 20 \\& = \sf 40\:\:minutes\end{aligned}[/tex]

Therefore:

[tex]\begin{aligned}\implies \sf Total\:time\:Judy\:worked\:out & = \textsf{Total time of sessions}-\textsf{Total time Judy lost}\\& = \sf 210-40\\& = \sf 170\:\:minutes\end{aligned}[/tex]

So Judy worked out for a total of 170 minutes for the week

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