rebecca ' s yearly income is $ 15000 and jimmy ' s annual income is $ 18000 . by how much must rebecca ' s yearly income increase so that it constitutes 55 % of rebecca and jimmy ' s combined income ?
total rebecca = x + 15000 ; total = x + 15000 + 18000 ; x + 15000 / x + 33000 = 55 / 100 therefore x = 7000 a
add(multiply(subtract(18000, 15000), const_2), const_1000)