April 20th, 2017, 04:39 AM  #1 
Newbie Joined: Apr 2017 From: brasil Posts: 4 Thanks: 0  financial math
One product increased by 50% followed by 20%, reaching a value of 1200.00. Ask yourself how much is the initial value of this product? benzóico.

April 20th, 2017, 04:48 AM  #2 
Senior Member Joined: Feb 2016 From: Australia Posts: 967 Thanks: 344 Math Focus: Yet to find out. 
Assuming 'increased by' means 'increased in price by', Initial value = x. Increase by 50% > 1.5x. Further increase by 20% > 1.2*1.5x x = 2000/3. 
April 20th, 2017, 05:02 AM  #3 
Newbie Joined: Apr 2017 From: brasil Posts: 4 Thanks: 0 
e o valor inicial é de quanto?

April 20th, 2017, 05:02 AM  #4 
Senior Member Joined: Feb 2016 From: Australia Posts: 967 Thanks: 344 Math Focus: Yet to find out. 
x is the initial value.

April 20th, 2017, 05:16 AM  #5 
Math Team Joined: Oct 2011 From: Ottawa Ontario, Canada Posts: 8,750 Thanks: 604 
666.67 * 1.5 = 1000.00 * 1.2 = 1200.00 If you still have questions, ask your teacher... 
April 20th, 2017, 05:43 PM  #6 
Newbie Joined: Apr 2017 From: brasil Posts: 4 Thanks: 0 
Então 1200 é o valor final, então divide 1200/1,8 ? que da 666,6666667? (e esse 1,8" é do acréscimo? 50= 1+0,5 20=1+0,2? 
April 20th, 2017, 06:01 PM  #7 
Math Team Joined: Oct 2011 From: Ottawa Ontario, Canada Posts: 8,750 Thanks: 604 
Si, si...

April 21st, 2017, 08:02 AM  #8 
Newbie Joined: Apr 2017 From: brasil Posts: 4 Thanks: 0 
muito obrigado, pois no sites do Brasil não encontrei a resposta so aqui.

April 21st, 2017, 08:21 AM  #9 
Math Team Joined: Oct 2011 From: Ottawa Ontario, Canada Posts: 8,750 Thanks: 604 
Sa, se, si, so, su.


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