Mathematics, 17.09.2019 07:00 milkshakegrande101
lisbeth runs on the track team. after practicing for 4 weeks, she lowers her time in the 800 meter run by 20 seconds.
which expression can you use to calculate the average change in seconds per week?
a.-800÷4
b.-20÷4
c.20÷4
d.800÷4
part 2
evaluate the expression that represents the scenario.
Answers: 1
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lisbeth runs on the track team. after practicing for 4 weeks, she lowers her time in the 800 meter r...
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