Dogtes9667
22.07.2021 •
Mathematics
Question 4
tes: Solving
limination
deos and
A resale store is having a sale on DVDs and CDs, DVDs cost $7 and CDs cost $4. On one day, the store made $211 from
DVD and CD sales and sold a total of 40 items.
Write a system of equations, then solve to find how many DVDs and CDs were sold.
*Show both the equations and the solution.
inear
Seos and
Solved
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Ответ:
144 p
Step-by-step explanation:
It was due to be returned on 26 November but she returned it on 12 December.
She was therefore with it for an extra 16 days.
The fine is 9p per day. Therefore, she will pay a fine of:
9 * 16 = 144 p