He should have subtracted the discount and added the sales tax
Answer:
Here
perimeter=76
length =4a+5
breadth=2a-3
we know,
perimeter=2(length+breadth)
76=2(4a+5+2a-3)
76=2(7a+2)
76=14a+4
76-4=14a
72=14a
72÷14=a
a=5.14
Answer:
Step-by-step explanation:
left skewed
C’(500)=80 means at 500 pounds of documents, the cost is increasing at a rate of $80 dollars/pound