Answer: There are 2 batteries which he can buy with his earnings .
Step-by-step explanation:
Since we have given that
Selling price of cans at the recycling center = $0.40 per pound
Number of pounds of cans he sold on Monday = 16.2
Number of pounds of cans he sold on Tuesday = 11.8
Total earning of Samuel is given by

Now, cost of battery =$5.60
So, number of batteries he can buy is given by

So, there are 2 batteries which he can buy with his earnings .
#1. x = - (2y) / (1-y)
#2. x = (-4y-3)/(1-y)
I can't really see the other questions, so I only did the first two. Hope this helps!
Answer:
To find probability, divide the number of times an event happens by the number of trials.
Answer:
10^4 = 10 x 10 x 10 x 10 = 10,000. 2 x 10,000 = 20,000. 7^4 = 7 x 7 x 7 x 7 = 2,401. 20,000 - 2,401 = 17,599.
Step-by-step explanation:
hope this helps
The answer is 1/3 of 12 its just easy math for me