Rebecca's annual income is $15,000 and Jimmy's annual income is $18,000. By how much must Rebecca's annual income increase so that it constitutes 50% of Rebecca and Jimmy's combined income?  Choose the correct answer:	A) 7000	B) 6000	C) 5000	D) 4000	E) 3000
total rebecca = x+15000; total = x+15000+18000   x+15000/x+33000 = 50/100 therefore x =3000   3000
<result>E</result>
Rebecca's annual income is $15,000 and Jimmy's annual income is $18,000. By how much must Rebecca's annual income increase so that it constitutes 50% of Rebecca and Jimmy's combined income?