At the market 8 apples cost $4 how much do 9 apples cost ?

According to the question,

Cost of 1 apple will be:

=

= ($)

hence,

The cost of 9 apples will be:

=

= ($)

Thus the above answer is correct.

Learn more about market cost here:

link

$4.5.

Step-by-step explanation:

We have been given that at the market 8 apples cost $4.

Let us find the cost of 1 apple by dividing total cost of apples by total number of apples.

To find the cost of 9 apples we will multiply cost of 1 apple by 9.

Therefore, the cost of 9 apples will be $4.5.

i think it would be 42cm