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gladu [14]
3 years ago
9

Heather spent a total of 70 minutes working out at the gym. She spent 20 minutes longer running on the treadmill than she spent

lifting weights.when t represents the time heather spent running on the treadmill and w represents the time she spent lifting weights, which system of equations represents this situation?
SAT
2 answers:
Ad libitum [116K]3 years ago
8 0

i think it might be t=w+20

hope this helps :)

garik1379 [7]3 years ago
8 0

The system of equations that represents this situation is:

t+w=70

20+w=t

The first equation is <em>"time spent on the treadmill (t) plus time spent lifting weights equals total time spent working out at the gym (70)"</em>.  The second equation illustrates that the time spent on the treadmill was 20 minutes longer than the time lifting weights.


I hope this explanation makes sense!

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