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February 20th, 2017, 09:02 AM  #1 
Newbie Joined: Feb 2017 From: india Posts: 1 Thanks: 0  general math question
Hi experts, Qus1) If John's money is 500 and Robert 's money is 800. then what times john's money then Robert 's money. Qus2) If John's money is 500 and Robert 's money is 800. then what times Robert's money then John 's money. Regards KS 
February 20th, 2017, 09:18 AM  #2 
Math Team Joined: Jul 2011 From: Texas Posts: 2,927 Thanks: 1523 
500(1.6) = 800 800(0.625) = 500 
February 21st, 2017, 01:36 AM  #3  
Senior Member Joined: Apr 2014 From: Glasgow Posts: 2,155 Thanks: 731 Math Focus: Physics, mathematical modelling, numerical and computational solutions  Quote:
1) John's money x something = Robert's money We can find the something by dividing Robert's money by John's money. something = $\displaystyle \frac{800}{500} = 1 \frac{3}{5} = 1.6$ 2) This is the same question, except that this time we multiply Robert's money by something to get John's money (it's a different something) Robert's money x something = John's money however, the solution is calculated in a very similar way; we just divide John's money by Robert's money something = $\displaystyle \frac{500}{800} = \frac{5}{8} = 0.625$  
February 21st, 2017, 01:40 AM  #4 
Member Joined: Sep 2016 From: India Posts: 88 Thanks: 30 
1. Let Robert's money is $x$ times of John's money so, Robert's money = $x\times$ John's money $800=x\times 500$ $\dfrac{800}{500}=x=1.6$ 2. Let John's money is $y$ times of Robert's money so, John's money = $y\times$ Robert's money $500=y\times 800$ $\dfrac{500}{800}=y=0.625$ 

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