When a number is decreased by 10% of itself, the result is 63. What is the number?
H herman_toyah New member Joined Mar 11, 2019 Messages 1 Mar 11, 2019 #1 When a number is decreased by 10% of itself, the result is 63. What is the number?
Dr.Peterson Elite Member Joined Nov 12, 2017 Messages 16,086 Mar 11, 2019 #2 Please read our guidelines here, which tell how to make the most of the site. In particular, in order to help you, we need to know something about what you have learned, what you have tried, and where you are stuck. Have you tried writing an equation, using a variable to represent the number? Please show us, so we can correct it or guide you to the next step.
Please read our guidelines here, which tell how to make the most of the site. In particular, in order to help you, we need to know something about what you have learned, what you have tried, and where you are stuck. Have you tried writing an equation, using a variable to represent the number? Please show us, so we can correct it or guide you to the next step.
D Denis Senior Member Joined Feb 17, 2004 Messages 1,707 Mar 11, 2019 #3 Similar wording, using a known number: "When 110 is decreased by 10% of itself, the result is 99." 110 - 0.10(110) = 99
Similar wording, using a known number: "When 110 is decreased by 10% of itself, the result is 99." 110 - 0.10(110) = 99
Steven G Elite Member Joined Dec 30, 2014 Messages 14,382 Mar 11, 2019 #4 If you decrease a number by 10%, then what part of the number is left?