Molly is wrapping up parts of sandwiches to sell at her sandwich cart. She cuts each sandwich into fourths and then wraps each fourth separately. She says that she wrapped 16 fourths, so she wrapped 16 whole sandwiches. What was Molly's mistake ?

Answers

Answer 1

Answer:
her mistake was that she was counting all the fourths as a whole sandwich when she really wraped up four sandwiches in total because 16 divided by 4 which is how many she cut it up into is 4 whole sandwiches

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Evaluate the given expression for x=9 7x+3

Answers

Step-by-step explanation:

x=9.7x+3

x=12+7x

8x=12

x=12÷8

x=3÷2

x=1.5

9. Carson draws a scale drawing of a city park and a parking lot. The city 10 points park is in the shape of aright triangle with legs that are 3 inches and 4 inches. The parking lot is in a shape of a rectangle with dimensions of 1.5 inches and 2.5 inches. The scale for the drawing is 1 inch = 40 feet. What are the TWO actual areas for the shapes that are represented?

Answers

Answer:

The answer is below

Step-by-step explanation:

The scale for the drawing is 1 inch = 40 feet.

The right angled triangle has legs of 3 inches and 4 inches. Using the scale, the length of the legs is:

3 inches = 3 inch * 40 feet / inch = 120 feet and 40 inches = 4 inch * 40 feet / inch = 160 feet.

The area of a right angled triangle is half the product of the two legs. Hence:

Area of right angled triangle = 1/2 * 120 feet * 160 feet = 9600 ft²

The rectangle with dimensions of 1.5 inches and 2.5 inches. Using the scale, the length of the sides is:

1.5 inches = 1.5 inch * 40 feet / inch = 60 feet and 2.5 inches = 2.5 inch * 40 feet / inch = 90 feet.

The area of a rectangle is the product of the two sides. Hence:

Area of rectangle = 60 feet * 90 feet = 5400 ft²

Find the rational number halfway between 5/16 and 7/8

Answers

$\left((5)/(16)+(7)/(8)\right):2=\left((5)/(16)+(14)/(16)\right):(2)/(1)=(5+14)/(16)\cdot(1)/(2)=(19)/(16)\cdot(1)/(2)=(19)/(32)$

Midpoint of (4,7) and (10,3)

Answers

Answer:

(7,5)

Step-by-step explanation:

x1 +x2 /2

4+10/2=7

y1 + y2/2

7 +3=10/2 =5

The answer is (7,5).

I need help solving this

Answers

The area of the triangle is 15*25*sin(30) = 187.5;

When her number is divided by 12, the remainder is 6, what is the remainder when the number is idvided by 9?

Answers

Remainder: 6 when divided by 12
So 12x6= 72
Original number: 72
72/9= 8
The remainder: 8

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