When one-half of a number is added to one-seventh of the number, the sum is 27. What is the number?

2 Answers
Apr 20, 2018

Answer:

42

Explanation:

one half of the number plus one-seventh of a number is equal to nine-seventh of the number.27 divide by 9 is 3.one fourteenth of the number is 3.the number is 42.

Apr 20, 2018

Answer:

#color(magenta)(x=42#

Explanation:

Let us assume the unknown number to be #x#.

According to question,

#1/7x+1/2x=27#

#2/14x+7/14x=27#

#9/14x=27#

#x=cancel(27)^3xx14/cancel9^1#

#x=3xx14#

#color(magenta)(x=42#

~Hope this helps! :)