Which answer describes the simpler problems that could be used to solve this story problem? Wendy's sister had $12 and Wendy had twice as much money as her sister. Wendy spent $4 at the market and $3 at the newspaper store. How much money did Wendy have left?

A.
Calculate how much money Wendy has to start with. Add up the money she spent. Add the amount Wendy spent to the amount she started with.

B.

Calculate how much money Wendy spent. Add this to the number of items she bought. Subtract this sum from the amount of money Wendy's sister has.

C.
Calculate how much more money Wendy had than her sister Add up the money Wendy spent. Subtract the two amounts.

D.

Calculate how much money Wendy has to start with. Add up the money she spent. Subtract the amount Wendy spent from the amount she started with.

Answers

Answer 1

Answer: C.
Calculate how much more money Wendy had than her sister Add up the money Wendy spent. Subtract the two amounts.

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Which fraction is equal to 0.8? A. 1/8 B. 8/10 C. 1/80 D. 8/100

What is the best estimate for the sum of 3/8 and 1/12

Answers

10/24 or 5/12 is the answer

The answer is 11/24.
I hope this helps.

7/10 write the fraction of the sum of fractions three different ways

Answers

14/20 21/30 28/40 are the equivalent fractions

35. 63. 70
---- ---- -----
50. 90. 100

What is the greatest perimeter of a rectangle With an área of 39 square feet

Answers

There is no greatest perimeter.

The shortest perimeter for a fixed area is when you use
the area to make a circle.

The next shortest perimeter for a fixed area is when you
use the area to make a square.

But the longer and skinnier you make it, the longer the perimeter
becomes, without any limit.

Examples:

circle, radius = 3.523 . . area = 39 . perimeter = 22.14
√39 by √39 . . . . . area = 39 . . . . . perimeter = 24.98
6 by 6.5 . . . . . . . area = 39 . . . . . perimeter = 25

5 by 7.8 .. . . . . . . area = 39 . . . . . perimeter = 25.6
4 by 9.75 . .. . . . . area = 39 . . . . . perimeter = 27.5
3 by 13 . . . . . . . . area = 39 . . . . . perimeter = 32

2 by 19.5 . .. . . . . area = 39 . . . . . perimeter = 43
1 by 39 . . . . . . . . area = 39 . . . . . perimeter = 80
0.1 by 390 . . . . . area = 39 . . . . . perimeter = 780.2

0.01 by 3,900 . . area = 39 . . . . . perimeter = 7,800.02

x=lentht
y=width
area=xy

xy=39 ⇒x=39/y

Perimeter of a rectangle=2x+2y

P(x,y)=2x+2y
P(y)=2(39/y)+2y
P(y)=78/y+2y
P(y)=(78+2y²)/y

Therefore ;P(y) will be gratest if y⇒0

We calculate the next limit.

lim y⇒0 (78+2y²)/y=lim y⇒0 (78/y+2y)=∞

For exmple:
y=0.1 ft
then;; x=39/ 0.1=390 ft

P(2*390 ft+2*0.1 ft)=780.2

y=0.001 ft
Then; x=39/0.001=39000 ft

P(2*39000 ft+0.001 ft)=78000,002 ft.

Answer: the greatest perimeter of a rectangle with an area of 39 ft²⇒∞

there are 32 peanuts in a bag. Elliott takes 25 percent of the peanuts from the bag. then zaire takes 50 percent of the remaining peanuts. how many peanuts are left in the bag?

Answers

1) we calculate the number of peanuts in the bag after Elliott take 25% of the peanuts form th bag.

number of peanuts in the bag after elliot take 25%=32-(25/100)32=32-8=24.

2) we calculate the number of peanuts in the bag after Zaire takes 50% of the remaining peanuts.

number of peanuts in the bag after Zaire takes 50%=24-(50/100)24=24-12=
=12

Answer: 12 peanust are left in the bag.

Simple...

there are 32 peanuts...

they took 50% and 25%

50+25%=75%

32*75%=24

32-24=8

Thus, there are 8 peanuts remaining.

Find the sum of 130 cm. And 50 mm.in meters

Answers

The sum of 130 cm and 50 mm. in meters is 1.35 m.

What is the unitary method?

The unitarymethod is a method for solving a problem by the first value of a single unit and then finding the value by multiplying the single value. The unitary method is a method by which we find the value of a single unit from the value of multiple devices and the value of more than one unit from the value of a single unit.

We are given the sum of 130 cm and 50 mm. in meters

130 cm = 130 / 100

= 1,3m

50 mm = 50 / 1000

= 0,05m

Therefore, the addition is;

1.3 + 0.05m = 1.35m

Learn more about the unitary method, please visit the link given below;

brainly.com/question/23423168

#SPJ2

130 cm = 130 / 100 = 1,3m
50 mm = 50 / 1000 = 0,05m
1,3 + 0,05m = 1,35m

How to simplify 5(x-8)+10

Answers

Answer:

5x - 30

Step-by-step explanation:

5 must multiply with what's in the bracket for being next to it

5 x X = 5x

5 x -8= -40

5x - 40 + 10

- 40 + 10 = -30

5x - 30

Answer:

-30+5x

Step-by-step explanation:

5(x-8)+10

x-8 evaluates to x-8

Multiply 5 by x-8

we multiply 5 by each term in x-8 term by term.

This is the distributive property of multiplication.

Multiply 5 and x

Multiply 1 and x

The x just gets copied along.

5 × x = 5x

Multiply 5 and -8

5 × -8 = -40

5*(x-8) evaluates to 5x-40

-40 + 10 = -30

The answer is -30+5x

5*(x-8)+10 evaluates to -30+5x

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