If you can buy 3 items for $9.00,how much will it cost for 5 item
2 answers:
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<u>Answer:</u>
An equation that relates the speeds of the two legs of the trip
<u>Explanation:</u>
Given, we have to use x to represent the speed on the second leg
Speed on first leg when increasing your speed by 40 mph will be (x-40)
Distance is given as 640 miles and time is calculated as
According to the question, increasing speed saved four hours
Therefore, the equation that relates the speeds of the two legs of the trip will be
Hope you can see my workout in the picture I attached below.
f⁻¹(x) =
AND
f⁻¹(19) =
f⁻¹(x) =
AND
f⁻¹(19) =