Answer:
The author must sell 3000 books.
Step-by-step explanation:
The total amount earned = advance + books sold * money per book
We know they want to make 7000
The advance is 2500
They earn 1.50 for each book sold
b= number of books sold
Substituting in
7000= 2500 + 1.5b
Subtract 2500 from each side
7000-2500 = 2500-2500 + 1.5 b
4500 = 1.5 b
Divide each side by 1.5
4500/1.5 = 1.5b/1.5
3000 = b
1. check the pic at the bottom.
2. Since we are asked for percentage, so a ratio, let the number of kids with both umbrellas and raincoats be 8.
Let x be the number of children with raincoats, but not umbrellas
Let y be the number of children with umbrellas but not raincoats.
3. Then, x+y+8=100 (100% is 100, since we assumed 8% to be 8 kids)
this gives us x+y=92.
4. "The total number of kids with umbrellas is twice the total number of kids with raincoats. " :
8+y=2(x+8)
8+y=2x+16
y-2x=8
5. substitute x=92-y in y-2x=8, we get
y-2(92-y)=8
y-184+2y=8
3y=192
y=64
64% ofkids bring only an umbrella.
Answer:
i think its D
f(x) = x-3 and g(x) = x+11
f(x) *g(x) = (x-3)(x+11) = x^2 +11x -3x -33 = x^2 +8x -33
hope this helped :3
The first is 2 the second one is -4