Answer:
is there a pic?
Step-by-step explanation:
we are able to see
David purchased some cookies at the cost of
5 for $4 (5/4=1.25) and
sold them at 4 for $5(4/5=0.80).
To find cost per cookie subtract 1.25-0.80=0.45
David made a profit of $180 in total ( divide profit per cookie cost: 180/0.45= 400)
How many cookies did David purchase to make that much money?
He needed to make 400 cookie to make the profit of $180.
Answer:
x = 15.75
Step-by-step explanation:
I'm going to assume you mean solve for x so:

The dividend on £1 is 15 p. Therefore, the dividend on £320.80 or 32080 pence (320.80 * 100) will be (32080*15)pence or 4812 pence, which is £48.12 (4812/100).
Answer:D
Step-by-step explanation: