Asap! ? brainliest/5 stars/heart(thx)! jenny wants a total of 12 barbie dolls by the time she is 9 years old. right now she has 4 barbie dolls. how many more does she need? jenny wants a total of 12 barbie dolls by the time she is 9 years old. right now she has 4 barbie dolls. how many more does she need? write an equation and solve. a) x + 4 = 12; jenny needs 8 more barbie dolls. b) 4x = 12; jenny needs 3 more barbie dolls. c) x - 4 = 12; jenny needs 16 more barbie dolls. d) x + 12 = 4; jenny needs 8 more barbie dolls.