X-9=8(2x+3)-18
x-9=16x+24-18
-9=15x+6
-15=15x
x=-1
80% = 6 in
100%=?
100/x 80/6 (proportional relationship)
then cross multiply
600 = 80x
600/80= 7.5
x=7.5
Answer:
22.45%
To two decimal places
Step-by-step explanation:
A book has 245 pages and she has only read 55 of the pages. To get the percentage:
55/245 and then multiply it by 100.
55/245
=O.2245 (To four decimal places)
0.2245 x 100
22.45% (To two decimal places)
She has only read 22.45% of the book. To convert it to a whole number, that's 22% of the book has been read
12) (shaded region) 12x25 =300
( un- shaded region) 6x10=60
300-60=240
240 is the answer for #12
2y = 12 - 5x
y = 6 - 5/2x
2 = -5/2(-3) + b
2 = 15/2 + b
2 - 15/2 = b
b = -11/2
y = 15/2x - 11/2
