MATHEMATICS MIDDLE SCHOOL

The price of 8.4 oz of orange juice is $2.42. What is the unit price

Answers

Answer 1
Answer:

Hello there! The answer is $0.29!

Unit price is price per unit, in this case it would be price per ounce (oz).

To find the cost for one ounce, divide the price given by the number of ounces given.

2.42 / 8.4 = 0.288 or $0.29, since you round up.

So, the unit price is $0.29.

I hope this helped answer your question and have a great rest of your day! ^-^

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There are 15 rows of diamond rings in a case in the jewelry store. There are 24 rings in each row. Another case has 12 rows of rings with a variety of colored stones and has 18 rings in each row.How many more diamond rings than rings with colored stones are in the jewelry store?

Answers

in jewelry store we have 15 rows and each has 24 rings so in total we have :
15 * 24 = 360 rings and in another case we have 12 rows and each has 18 rings so in total we have : 12 * 18 = 216 so jewelry store has (360 - 216) rings more than other case so jewelry store has 144 rings more than other case :)))
i hope this is helpful 
have a nice day  
15 rows* (24 diamond rings/ 1 row)= 360 diamond rings.

12 rows* (18 rings with colored stones/ 1 row)= 216 rings with colored stones.

Note that the units cancel out so you get the answer.

360 rings- 216 rings= 144 rings.

There are 144 more diamond rings than rings with colored stones in the jewelry store~

Plz help me fast. Use 27 for the volume of the cube plz explain..... Thx

Answers

27 is the cube of 3 .. 3x3x3 is 27. if that is what you were asking for.. 
a cube is a 3d square (literally). this means that it has equal side lengths and volume is length x width x breadth (as i learnt it). if all sides are 3then iits gonna be 3x3x3 which is 27. 

Hungary Hank uses 7 scrambled eggs to make 4 breakfast burritos. How many breakfast burritos does he make with 21 scrambled eggs?

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12

7 x 3 = 21
4 x 3 = 12
4x3 is 12 so the the answer is 12

600000 equals how many ten thousand

Answers

It equals 60 ten thousand places

Elizabeth, Heather, and Erin share the same birthday. They’ve decided to join together to have one big birthday party. The event location says it will cost $70 for the rental of the space and $15 per guest. Each girl invites x number of guests, including themselves in their guest count.The girls have each written a different correct expression to represent the total cost of the party. EXPLAIN how each of the 3 expressions below represents the total cost.
(a) Elizabeth’s expression: 15x + 15x + 15x + 70

(b) Heather’s expression: 15(x + x + x) + 70

(c) Erin’s expression: x(15 + 15 + 15) + 70

Answers

Elizabeth finds the cost of each girl's guests and adds the rental cost, for a result of the total cost.

Heather multiplies the cost per guest by the total number of guests, and adds the rental cost.  This has the same result.

Erin multiplies the amount of guests each girl invites with the price per guest, taking the price three times since three girls invite guests.  Then, she adds the rental cost.

Thus, all three equations are equal to the costs of the guests added to the rental cost, which is the full cost.

What is the percent decrease from 60 to 39?

Answers

Answer: 35%

Step-by-step explanation: To find the percent decrease, we use the following formula.

(Amount-of-change)/(original-number)

The amount of change is the difference between the two numbers which in this case is 60 - 39 and the first number is 60.

(60 - 39)/(60)

60 - 39 is 21 so we are left with 21/60.

60 divided into 21 .35 times. However, our problem is asking for the percent which means we can move the decimal point two places to the right to get 35.

Therefore, the percent decrease is 35%.
That\ is\ a\ decrease\ of\ \boxed{35}\ percent.
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