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.

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$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.

f(x) = - 2/3x + 5; f(5/2)

substitute 5/2 in for x:

f(5/2) = -2/3(5/2) + 5

simplify the right side:

f(5/2) = -5/3 + 5

f(5/2) = 10/3

answer:

f(5/2) = 10/3

i hope this you!

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