if x,y and z are positive integers and 3x=4y=7z,
then the least possible value for x + y + z is

(a) 33
(b) 40
(c) 49
(d) 61
(e) 84

Question

02-08-2017
Mathematics

contestada

if x,y and z are positive integers and 3x=4y=7z,
then the least possible value for x + y + z is

(a) 33
(b) 40
(c) 49
(d) 61
(e) 84

Respuesta :

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choixongdong choixongdong · Answer 1 · 2017-08-02T15:44:52+02:00

choixongdong choixongdong

02-08-2017

3x=4y=7z
so
GCF:
3 * 4 * 7 = 84

3x = 84
x = 28

4y = 84
y = 21

7z = 84
z = 12

least possible value for
x + y + z = 28 + 21 + 12 = 61

answer
(d) 61

Answer Link

if x,y and z are positive integers and 3x=4y=7z, then the least possible value for x + y + z is (a) 33 (b) 40 (c) 49 (d) 61 (e) 84

Respuesta :

Otras preguntas

if x,y and z are positive integers and 3x=4y=7z,
then the least possible value for x + y + z is

(a) 33
(b) 40
(c) 49
(d) 61
(e) 84