Answer:
Step-by-step explanation:
Let p represent the number of pens Nick sold. Then the revenue is ...
0.10p +0.05(1000 -p) = 74.50
0.05p = 24.50 . . . . . . eliminate parentheses, subtract 50
p = 490 . . . . . . . . . . . . multiply by 20
The number of pencils sold is then ...
pencils = 1000 -490 = 510
Nick's Printing Press sold 490 pens and 510 pencils.
Answer:

Step-by-step explanation:
the general equation of a circle is

with (h,k) being the centre of the circle and r the radius
Combine like terms Finding the next equation
Answer: 4 - (xxx/555)
Explanation:
four less = four minus
quotient = the answer of a division problem
a number = the variable
the quotient of a number xxx and 555 = a number xxx divided by 555