
Irina K. answered 07/20/20
Tutor
4.8
(6)
I have a passion for teaching and tutoring.
X Jack's saving
X+160 Flex's saving
2/3 X=3/7(X+160)
14X-9X+1440
5X=1440
X=288 Jack's saving
288+160=448 Flex's saving