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The approach to assume distance of 120 worked fine for me. Could reach 72 as correct answer . Other approach would be Speed = (3x) / ( x/120+x/60+/x/60) Which simplifies to 3/5 *120

hmm, it seems like the simplest way is to plug in a number. solving it in terms of x seems abit more complicated than plugging in a convenient number based on the infos given.

apply the concept of avg speed: 3*60*60*120/(3600+7200+7200) = 3*6*6*120/(36+144) = 6*120/(2+8) = 72

hi! does anyone have the explanation of this one?

Hi, so a consistent approach to this question is to simply use the R*T=D formula, as we dont know the distance lets give it the variable d, to get the time we divide the distance by the rate, so d/60+d/120+d/60= 5D/120 as the total distance is 3*D you can set up the formula 3D/ 5D/120. this gets you to 360D/5D which is 72!

my answer is 4th 3p/2 - Derived from 1.5 x p 2 cups of peeled apples = 1 pound, so 3 cups of peeled apples = 1.5 pounds. per pound 1 dollar. so 1 x 1.5 = 1.5 dollars to make one pie. so 15p/10 further simplification makes it 3p/2 Hope it helps or If someone thinks this is wrong, please do let me know

The correct answer is highlighted in the image. lee-is-buying-apples-to-make-pies-the-apples-cost-1-per-pound-and-423956.html

Can someone help with the following: A container has 3 liters of pure lime juice. 1 liter from the container is taken out and 2 liter water is added. The process is repeated several times. After 19 such operations, quantity of lime juice in the mixture is (A) 2/7 L (B) 3/7 L (C) 5/14 L (D) 5/19 L (E) 6/19L

similar type of question is discussed here: a-container-has-4l-of-pure-wine-1l-from-the-container-is-taken-out-an-392782.html#p3028698

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