Question 1114904
the sum of the ten positive numbers = 10 * 16 = 160
:
let x be the unknown number which was added
:
(160 +x)/11 = 18/1
:
cross multiply the fractions
:
160 +x = 18 * 11 = 198
:
x = 198 -160 = 39
:
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the other number is 39
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