Answer: Expression in terms of p and b for the total number of batteries bought by Jonathan is given by

Step-by-step explanation:
Since we have given that
Each packet contains 8 batteries.
Each box contains 25 batteries.
Let number of packets be p
Let number of boxes be b
So, According to question,

Hence, Expression in terms of p and b for the total number of batteries bought by Jonathan is given by

U should know the area of rectangle is w*l
if we increase it by double or times 2 its area will be
A=2w*2wl
A=4wl
area would be 4 times of original one
Now u can get the answer
0.4
what is the full question/number