Answer:

Step-by-step explanation:
Given

--- scale factor
Required
Determine A'
This is calculated as:




$40/12 = unit rate simplify = 10/3
$10/3 per book
18 * 10/3 = $60 for 18 copies
Answer: Jason has 7 pennies and 6 nickels.
Step-by-step explanation:
Let be "p" the number of pennies that Jason has and "n" the number of nickels that Jason has.
Set up a system of equations:
You can use the Elimination Method. Multiply the first equation by -0.01 and add both equations:

Susbtitute this value into the first equation and solve for "p":

The correct answer is A hope this helps