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Andy and Marcus each bought the same storybook and both of them started reading their books on the same day. Marcus read 3 fewer pages than Andy each day. Marcus took 80 days to finish his storybook while Andy took 30 days fewer than him. Find the number of pages in the storybook.

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Marcus => 80(x - 3)               Andy => 30x

80(x - 3) = 30x

x = 4.8       (The number of pages Andy read each day.)

Number of pages in a book=>   4.8 * 30 = 144

No you don't have to DOUBLE your payments....but there will be an increased payment amount

simple example

borrow 100 @ 10 % per year    with one payment at the end of the year   amount owed would be  110

  now double the interest to 20 %   amount owed at end of year = 120     not double the 110 amount .....

Doubling the amount would be like having two loans at the same amount with equal payments.....you would have to double your payments to keep the same schedule.

genaleech    ....please don't post the same question multiple times......you posted this one THREE times....and someone else posted it too.

x = tigers   and  x = giraffes       22-2x  = kangaroos

heads = 22

feet =     4x  + 4x   + 2 (22-2x) = 72

                     4x = 28

                        x = giraffes = tigers = 7 each             22-7-7 =   then  8 'roos

9 ft    x   9ft    x  .85 ft = 68.85 ft³ of sand

After reading these responses, I realize the mistakes in this suggestion. I am truly sorry if this offended anyone.

Since we want to fill this tank to a depth of 26 inches, and the base of the tank is already given, we just need to multiply the dimensions to find how much water we need:

17 x 21 x 26 = 9282 inch³ of water. 

Shorts cost 12 dollars. 

T shirts cost 15 dollars. (12+3)

x = number of t shirts

3/4x = number of shorts

15x + (12)(3/4x) = 384

24x = 384

x = 16

He bought 16 t shirts, 15 dollars each, for a total of 240 dollars. 

Ok I fixed it. It may not make sense because of this c**t latex. But I tried to make it. Hope its clear

William spent $384

  to  

buy  

some  

T-shirts   and   shirts. The cost of a pair of shorts was $12

and  a T-shirt cost $3 more than the shorts. 

If the number of shorts he bought was 3/4 as many as the number of T-shirts, how much did he spend on the T-shirts?

D**n me

For it to be divisable by 66, it has to be divisable by 2, 3, 11. 

2 just means the end is even.  

18 + a + b = divisable by 3. 

16 = a + b + 2

Solve for a and b. :))

=^._.^=

Try fixing the latex first. 

=^._.^=

63 is the answer

Oh no, it does say that c is a polynomial, so maybe c isn't a number?

=^._.^=

The base will remain constant while the height changes, so therefore 

let $d$ equal the depth of the water filled in the tank

$17*21*[d]$
 

take it from here

Yeah....that  would  have been my guess too, catmg

But....look  what happens

(1 - 12x  +  3x^2  - 4x^3  +  6x^4 )  -  (2/3)  ( 3 - 2x  - 6x^3  + 9x^4  )   =

3x^2  -  (32/3)x -  1

We  cancel  the x^4  and x^3   terms

So....I don't believe  there is  a  "c"  that  we  can find to  leave a 3rd power polynomial

$M=9J$
$M=J+56$
 

solve the system of two equations with substitution

Thanks

Since right now, f(x) has a degree of 4, (6x^4), cg(x) needs to have -6x^4 to balance it out. 

g(x) already has 9x^4, but it needs to be -6x^4, so you multiply by -2/3.

=^._.^=

17*21 is the base area. 

26 is the height. 

17*21*26

=^._.^=

Since it is a 9x9x9 cube the base is 9x9, meaning that if you want to fill it with 0.85 inches of sand, that is basically 9x9x.085, or 68.85 

I'm so glad to hear that!