Question 868158
X+(X+1,800)=17,000
2X=17,000-1,800
2X=15,200
X=15,200/2
X=$7,600 EARNED BY THE YOUNGER SISTER.
7,600+1,800=$9,400 EARNED FOR THE OLDER SISTER.
PROOF:
7,600+9,400=17,000
17,000=17,000