Calculate like terms:
7x-8=8x
7x-8x=8
-x=8
-x/-1=8/-1
x=-8
Each year the boat is worth 100-12 = 88% ( or 0.88) of the year before
after 12 years the boat is worth 12050 * 0.88^9 = $3813.56
Answer:
Aaron=110
Betty=210
Step-by-step explanation:
the photo contains the needed working out
1.5(x+4)-3=4.5(x-2)
1.5x+6-3= 4.5x - 9
1.5 x+3=4.5x-9
3+9=4.5x-1.5x
12=3x
x=4
Paco's total score is 300 points. This can be found by subtracting 100 from 400.