Answer:
b. 22.2
Step-by-step explanation:
I put it as an equation.
3.2w=72
Then solved for w
3.2w/3.2=72/3.2
Simplify
22.5
Answer:

Step-by-step explanation:
The given system is


We substitute the bottom equation into the top equation to get:

Expand to get:

Group similar terms:

Combine similar terms:


Put
into the bottom equation



The solution is

Answer:
18.75 pounds, 1.75 pounds collected less
Step-by-step explanation:
3.75 pounds = 1 month
20.5 pounds need to be collected
5 months
3.75 x 5 = 18.75
20.5 - 18.75 = 1.75
Answer:ito po hehe. Pakicorrect na Lang po pag mali
Step-by-step explanation:
-2f
Step-by-step explanation:
move the -2 to the left of the f