Math Is Fun Forum

  Discussion about math, puzzles, games and fun.   Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °

You are not logged in.

#102 Help Me ! » Question » 2007-01-11 04:05:18

jxharmon
Replies: 2

MArtina leaves home @ 9am, biking at a rate of 24 mi/h. Two hrs later, John leaves, driving @  the rate of 48 mi/h. At what time will John catch up with Martina?


Logically I came up with 1pm
but if I do this formula: ???

48(t-2)=24t
48t-96=24t
24t-96=0
24t=96
t=96/24=4

#103 Re: Help Me ! » Geometry problem » 2007-01-08 04:23:21

Awesome...for some reason I had 36 2/3 for width and 78 1/3 for lengths!

#104 Help Me ! » Geometry problem » 2007-01-08 04:00:50

jxharmon
Replies: 2

The length of a rectangular playing field is 5 ft. less than twich its width. If the perimeter of the playing field is 230 ft, find the length and width of the field.

Board footer

Powered by FluxBB