004 Sample Final A, Problem 12 - Revision history

Kayla Murray at 23:07, 5 May 2015

2015-05-05T23:07:33Z

Kayla Murray at 04:12, 1 May 2015

2015-05-01T04:12:09Z

Kayla Murray: Created page with " Set up, but do not solve the following word problem. Two private airplanes travel toward each other from cities that are 780 km apart at speeds of 190 km/h..."

2015-04-28T22:44:27Z

Created page with "<span class="exam"> Set up, but do not solve the following word problem. Two private airplanes travel toward each other from cities that are 780 km apart at speeds of 190 km/h..."

New page

<span class="exam"> Set up, but do not solve the following word problem. Two private airplanes travel toward each other from cities that are 780 km apart at speeds of 190 km/hr and 200 km/hr. They left at the same time. In how many hours will they meet?

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 ! Foundations
 |-
+|What is the formula for distance?
 |-
 |Answer:
 |-
+|The formula for distance is d=rt where r is the rate and t is the time.
 |}
@@ Line 16: / Line 16: @@
 ! Step 1:
 |-
+|The distance formula for the plane traveling 190km/hr is <math> 190t=d</math>.
 |}
@@ Line 24: / Line 22: @@
 ! Step 2:
 |-
+|The other plane starts off 780km away from the first plane. So, this plane's distance is 780-d where d is the distance of the first plane.
 |}
@@ Line 30: / Line 30: @@
 ! Step 3:
 |-
+|Now, adding these two equations together, we get <math> 390t=780</math>. So, <math>t=2</math> hours.
 |}
@@ Line 52: / Line 36: @@
 ! Final Answer:
 |-
+|2 hours
 |}
 [[004 Sample Final A|<u>'''Return to Sample Exam</u>''']]

← Older revision		Revision as of 04:12, 1 May 2015
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	<span class="exam"> Set up, but do not solve the following word problem. Two private airplanes travel toward each other from cities that are 780 km apart at speeds of 190 km/hr and 200 km/hr. They left at the same time. In how many hours will they meet?		<span class="exam"> Set up, but do not solve the following word problem. Two private airplanes travel toward each other from cities that are 780 km apart at speeds of 190 km/hr and 200 km/hr. They left at the same time. In how many hours will they meet?
		+	{\| class="mw-collapsible mw-collapsed" style = "text-align:left;"
		+	! Foundations
		+	\|-
		+	\|
		+	\|-
		+	\|Answer:
		+	\|-
		+	\|
		+	\|}
		+
		+
		+	Solution:
		+
		+	{\| class = "mw-collapsible mw-collapsed" style = "text-align:left;"
		+	! Step 1:
		+	\|-
		+	\|
		+	\|-
		+	\|
		+	\|}
		+
		+	{\|class = "mw-collapsible mw-collapsed" style = "text-align:left;"
		+	! Step 2:
		+	\|-
		+	\|
		+	\|}
		+
		+	{\|class = "mw-collapsible mw-collapsed" style = "text-align:left;"
		+	! Step 3:
		+	\|-
		+	\|
		+	\|-
		+	\|
		+	\|-
		+	\|
		+	\|-
		+	\|
		+	\|}
		+
		+	{\|class = "mw-collapsible mw-collapsed" style = "text-align:left;"
		+	! Step 4:
		+	\|-
		+	\|
		+	\|-
		+	\|
		+	\|-
		+	\|
		+	\|}
		+
		+	{\|class = "mw-collapsible mw-collapsed" style = "text-align:left;"
		+	! Final Answer:
		+	\|-
		+	\|
		+	\|}
		+
		+	[[004 Sample Final A\|<u>'''Return to Sample Exam</u>''']]