Question-80204

Question Number 80204 by jagoll last updated on 01/Feb/20

Commented by Tony Lin last updated on 01/Feb/20

28 (x + y + z) = 363 + (x - z)

i f x + y + z ⩾ 14

x - z ⩾ 29 > x + y + z (f a l s e)

i f x + y + z = 13

t h e n x - z = 1 < x + y + z

i f x + y + z ⩽ 12

z - x ⩾ 27 > x + y + z (f a l s e)

t h e r e f o r e

10 x + 10 y + 10 z = 130

Commented by jagoll last updated on 01/Feb/20

t h a n k y o u s i r

Facebook Tweet Pin