4.2+Using+the+Symbolic+Method

PM 6/1/09   Block C  Big Idea

Problem 4.2 and Follow Up  305=15x+30 -30+ 305= 15x+30-30 275=15x __275__=__15__x 15 15 X=18.3 It will take her 18.3 months to pay for the stove. 305=15x+30 -30+ 305= 15x+30-30 275=15x __275__=__15__x 15 15 X=18.3 It will take her 18.3 months to pay for the stove. a. 175=2.5x b. 64=19+3x -2.5/175=2.5x/2.5 -19+64=19-19+3x x =70 45= 3x (45/3 and 3/3) x=15 c. 15= 2x-50 -50+15=2x-50-50 -35=2x (-35/2 and 2/2) -17.5 d. 60=-2x+14 -14+60=-2x+14-14 46=-2x (46/2x and -2x/2x) X=23
 * Karen wants to buy a stove from the Unlimited Store on an installment plane. The stove costs $305. **
 * A. **** Write an equation you could solve to find the number of months it will take Karen to pay for the stove. **
 * B. **** Solve your equation using the symbolic method, how long will it take Karen to pay for the stove? **
 * __ Follow Up __**
 * 1. **** In a-d use the symbolic method to solve the equation for x, check your answers. **