Answer:
Step-by-step explanation:
x+5+x+7x-5=180 degree (being the interior angles of a triangle)
9x=180
x=180/9
x=20 degree
1.5x1/5=.3
half of 1.5 (because of 2 lbs of dried fruit ) is .75
.75+.3=.78 cents for 1 lb
2(x+6)=x(x+1)
2x+12=x^2+x
x^2-x-12=0
(x-4)(x+3)=0
x-4=0
x=4
x+3=0
x=-3
