Let c and n represent the numbers of pencil and pen boxes, respectively
.. 3c +2n = 6.00
.. 2c +4n = 8.00
You can halve the second equation and subtract it from the first to get
.. (3c +2n) -(c +2n) = 6.00 -4.00
.. 2c = 2.00
.. c = 1.00
Then
.. 1.00 +2n = 4.00 . . . . . half the original second equation with c filled n
.. 2n = 3.00
.. n = 1.50
A box of pencils costs $1.00; a box of pens costs $1.50.
210 because if you multiply 10 by 35 to get 350 you have to multiply 6 by 35 then you get 210
36 perches altogether.
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Answer:
Step-by-step explanation:
The only thing you can do with this expression is to factor a 5 out of the two terms: we have
