Asked by Martha pam
Onethird of a nuber added to fourfifth of itself equals to 20 find the number
Answers
Answered by
Ms. Sue
(1/3)n + (4/5)n = 20
(5/15)n + (12/15)n = 20
(17/15)n = 20
n = 20 / (17/15)
n = 20 * (15/17)
n = 300/17
n = 17.65
(5/15)n + (12/15)n = 20
(17/15)n = 20
n = 20 / (17/15)
n = 20 * (15/17)
n = 300/17
n = 17.65
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