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SIZIF [17.4K]
3 years ago
9

A 4-billion-bushel corn crop brings a price of $2.4/bushel. A commodity broker uses the following rule of thumb: If the crop is

reduced by x percent, then the price increases by 10x cents. Which crop size results in maximum revenue and what is the price per bushel? Revenue is equal to price times crop size. (Use decimal notation. Give your answers to two decimal places.) crop size__________.billion bushels price per bushel___________.$
Mathematics
1 answer:
kupik [55]3 years ago
7 0

Answer:

Step-by-step explanation:

The second crop size results in maximum revenue. The price per bushel of the second crop size is 3.54 dollars.

Step-by-step explanation: FIRST: Ensure all figures for price are in the same unit (same for quantity)

Hence, 10X cents = 0.1X dollars

SECOND:

Derive the equations for the new price and new quantity

P2 = P1 + 0.1X

Q2 = Q1 - (X% of Q1)

THIRD:

Input the values of Q1 and P1 into the equations

FOURTH:

To get X, equate P2 to Q2

P2 = Q2

From here, X = 11.4286

FIFTH:

Use this value of X to find the values of Q2 and P2 which will be 3.543 billion bushels and 3.54286 dollars respectively.

SIXTH:

The new revenue will now be 12.55 billion dollars which is obviously higher than the initial revenue of 9.6 billion dollars. Remember that R=P.Q

Revenue= Price x Quantity

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A question from my math class:
valina [46]

Answer:

A) $29.68

B) $5.60

Step-by-step explanation:

<u>Part A Explanation)</u>

To find the total cost including tax, you must multiply the total cost by .06 because .06 out of 1 is 6%. <em>Quick explanation on percentages.</em>

<u><em>DO NOT FORGET TO ADD THE TOTAL COST</em></u>

28.00 + (28.00 * .06) = 29.68

<u>Part B Explanation)</u>

This is asking only for the tip, not including the total cost. However, we need the total cost to calculate the tip.

28.00 * .20 = 5.6

<em>.20 out of 1 is 20%</em>

7 0
3 years ago
This banana is 8 inches long. How many 0.4 inches slices of banana can be cut from this banana?
stepan [7]

Answer:

20 slices


Step-by-step explanation:


3 0
3 years ago
Read 2 more answers
NEED THE ANSWER ASAP PLEASE
Firdavs [7]

Answer:

AB = 5

Step-by-step explanation:

Since the triangle is isosceles then the legs are congruent, that is

BC = BA, substitute values

5x - 10 = 3x - 4 ( subtract 3x from both sides )

2x - 10 = - 4 ( add 10 to both sides )

2x = 6 ( divide both sides by 2 )

x = 3

Thus

AB = 3x - 4 = 3(3) - 4 = 9 - 4 = 5

5 0
3 years ago
Read 2 more answers
Simplify: x2/6 ⋅ x2/4
Elden [556K]

Answer:

x ^2/ 6

--------------------------------------------------------------------------

8 0
3 years ago
If the mean weight of 4 backfield members on the football team is 221 lb and the mean weight of the 7 other players is 202 lb, w
MatroZZZ [7]

Let x_1, x_2, x_3, x_4, x_5, x_6, x_7, x_8, x_9, x_{10}, x_{11} be the weight of i-th player.

1. If the mean weight of 4 backfield members on the football team is 221 lb, then

\dfrac{x_1+x_2+x_3+x_4}{4}=221\ lb.

2. If the mean weight of the 7 other players is 202 lb, then

\dfrac{x_5+x_6+x_7+x_8+x_9+x_{10}+x_{11}}{7}=202\ lb.

3. From the previous statements you have that

x_1+x_2+x_3+x_4=221\cdot 4=884 \lb,\\ \\x_5+x_6+x_7+x_8+x_9+x_{10}+x_{11}=202\cdot 7=1414\ lb.

Add these two equalities and then divide by 11:

x_1+x_2+x_3+x_4+x_5+x_6+x_7+x_8+x_9+x_{10}+x_{11}=884+1414=2298\ lb,\\ \\\dfrac{x_1+x_2+x_3+x_4+x_5+x_6+x_7+x_8+x_9+x_{10}+x_{11}}{11}=\dfrac{2298}{11}=208\dfrac{10}{11}\ lb.

Answer: the mean weight of the 11-person team is 208\dfrac{10}{11}\ lb.

4 0
3 years ago
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