Ou want to purchase multiple books on sale for $6.30. The sales tax is 5% and you have $20. At most, how many books can you buy? 5
3
4
2

You could buy 3 books

Step-by-step explanation:

because 5% of 20 is -1 dollar making it 19 then 6.30 + 6.30 + 6.30 = 18.90 and then you would only have 10c so you couldnt buy any more books.

(d)

step-by-step explanation:

given: the line in the graph passes through points (5,30) and (6,26).

then, the equation of line is:

now, put y=a(n) and x=n,

hence, option d is correct.

560

hope this : )