Answer:
A≈20.43
Step-by-step explanation:
Answer:
D. $680
Step By Step Explanation:
100 pages are typed. Each page coast $5 to type.
100 x 5 = 500
40 pages are revised once. It costs $3 to revise a page once.
40 x 3 = 120
10 pages are revised twice. It costs $3 to revise a page once so it will cost $6 to revise it twice
10 x 6 = 60
To find the total cost we add all the amounts together
500 + 120 + 60 = 680
The final answer is $680
(-2/3, 2)
Solve for the first variable in one of the equations, then substitute the result into the other equation.
Answer:
A
Step-by-step explanation:
Answer:
1,1 and 3,-7
Step-by-step explanation:
1=x
1=y
they are both in positive
x=3
y=-7
here 3 is in positive and 7 is in negative
