Answer:
After 'n' weeks?
Step-by-step explanation:
Make sure your question makes sense.
Answer:

Step-by-step explanation:
Given

Required
Factorize
To start with; we need to group the expression into two

Factorize each grouped expression, using their common factor

From the list of given options;
Option A is correct
Answer:
3000
Step-by-step explanation:
640x3 = 1920
90x12 = 1080
Answer:
B.
Step-by-step explanation:
You have to use the number in the variable to figure out if the number multiplied by 3.5 goes over 20 dollars. The highest you can go without going over 20 dollars is 5 notebooks
Answer:
45
Step-by-step explanation: