Question

6.
A shop sells CDs and DVDs.
In one week the number of CDs sold and the number of DVDs sold were in the ratio 3:5
The total number of CDs and DVDs sold in the week was 728
Work out the number of CDs sold.

Answer 1

Answer:

273

Step-by-step explanation:

CD(3):DVD(5)

3+5=8

728 divided by 8= 91

3x91=273

Answer 2

Answer:

273

Step-by-step explanation:

CDs to DVDs is 3:5

$\frac{728}{3+5}$

$\frac{728}{8}=91$

$3 \times 91: 5 \times 91$

$273:455$

273 CDs were sold.