math (algerba 1)
I have a worksheet called puzzle 21 Super Challenge. It's from Crossmatics, Dale Seymour Publications and it's page number is 21. Anyways, I don't understand what it means when it says see 4-across. What does that mean?
math (algerba 1)
A motorboat can travel upstream on a river at 18km/h and downstream at 30km/h. How far upsteam can the boat travel if it leaves at 8am and must return by noon?
Math
A plane on a search mission flew east from an airport, turned, and flew west back to the airport. The plane crised at 300km/h when flying east, and 400km/h when flying west. The plane was in the air for 7 hours. How far from the airport did the plane travel?
math
thanks. I though because you added 70t and 80t there would be 2ts. But no.
math
Never minds. I see my mistake. It's really 6 hours.
math
Two trucks left buck's trucks traveling in opposite directions. One truck traveled at a rate of 70km/h, the other at 80km/h. After how many hours were the trucks 900km apart? I got 3 hours as my answer, but I dont think that's right...
math
neverminds. I got it.
math
Reiny, how can you show me how to do the last part wirten out? Thank you so much!
math
ok
math
Also, how far had steve traveled when his brother overtook him?
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