Problema Solution
1. find two consecutive odd integers whose sum is 44.
2. two-thirds of a certain number is 20 more than one-fourth of the number. what is the number?
Answer provided by our tutors
1. find two consecutive odd integers whose sum is 44.
let the two consecutive odd integers be: 2x - 1, 2x + 1, where x is integer
(2x - 1) + (2x + 1) = 44
by solving we find
x = 11
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2*11 - 1 = 21
2*11 + 1 = 23
the two numbers are 21 and 23.
2. two-thirds of a certain number is 20 more than one-fourth of the number. what is the number?
let 'x' be the number
(2/3)x = 20 + (1/4)x
by solving we find
x = 48
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the number is 48.