Question 256628
K=X
B=2X-3
NEXT YEAR:
X+1=(2X-3+1)*3/4
X+1=(6X-9+3)/4
X+1=(6X-6)/4 CROSS MULTIPLY
4(X+1)=6X-6
4X+4=6X-6
4X-6X=-6-4
-2X=-10
X=-10/-2
X=5 ANS. FOR KATE'S AGE NOW.
2*5-3=10-3=7 ANS. FOR BRETT'S AGE NOW.
PROOF:
5+1=(7+1)3/4
6=8*3/4
6=24/4
6=6