7a=49 a=49/7 a=7 -6=2x x=-6/2 x=-3 -32=-4b B=-32/-4 B=8 u/6=9 u=9*6 u=54 -8=C/-10 c=-8*-10 C=80 54=-9d D=54/-9 D=-6 -12y=60 y=60/-12 y=-5 r/20=-2 r=-2*20 r=-40 g/10=-9 g=-9*10 g=-90 cost of the camera =$300 her weekly savings=$15 15x=300 x=300/15 x=20 in 20 weeks she will have enough money to buy the camera speed of a race car= 205mph distance travelled in three hours = x r=D/t d=r*t speed = distance/time distance = speed * time x=205*3 x=615miles
