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Paraphin [41]
4 years ago
10

Sam and David were selling bottles to raise money for a 6th grade pizza party. Sam sold 5 water bottles for every three water bo

ttles David sold. together they sold 160 water bottles. how many did each scholar sell?
Mathematics
1 answer:
Anton [14]4 years ago
6 0

3 6 9 12 15 18 21 24 27 30 33 36 39 42 45 48 51 54 58 61

5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100


I wrote the numbers down for 5 Sam sold and 3 David sold.

100 Sam sold, and David sold 61, although there's one more... It's something to start with.

You might be interested in
A california condor has a 114 inch wingspan. How many feet is that.
mixer [17]
I think it is 9 1/2 feet.


7 0
3 years ago
What is the surface area of a sphere with a circumference of 100T? Leave
mixer [17]

Answer:

10000π units²

Step-by-step explanation:

From the question given above, the following data were obtained:

Circumference (C) = 100π

Surface Area of sphere (SA) =?

Next, we shall determine the radius. This can be obtained as follow:

Circumference (C) = 100π

Radius (r) =?

C = 2πr

100π = 2πr

Divide both side by 2π

r = 100π / 2π

r = 50 units

Finally, we shall determine the surface area of the sphere. This can be obtained as follow:

Radius (r) = 50 units

Surface Area of sphere (SA) =?

SA = 4πr²

SA = 4 × π × 50²

SA = 4 × π × 2500

SA = 10000π units²

Therefore, the surface area of the sphere is 10000π units²

3 0
3 years ago
ritu can row downstream 20km in 2 hrs and upstream 4km in 2 hrs. find the speed of rowing in still water and the speed of the cu
Marina CMI [18]

Answer:

Speed of boat in still water is 6km/h

Speed of current is 4km/h

Step-by-step explanation:

We know speed = distance / time

Let the speed of boat in still water be x

Let the speed of current be y

Hence the speed of boat, down stream = x+y

Distance downstream = 20km

Time taken = 2 hours

We have

x+y=\frac{20}{2}

x+y=10       ......(1)

Speed of boat upstream = x-y

Distance upstream = 4

Time taken = 2

We have

x-y=\frac{4}{2}

x-y=2    ...(2)

Adding (1) & (2)

2x=12

x=6

Substituting in (1) we get

y=4

7 0
3 years ago
Container A has 200 L of water, and is being filled at a rate of 6 liters per minute. Container B has 500 L of water, and is bei
zheka24 [161]

Answer:

25 minutes

Step-by-step explanation:

Let the amount of time, in minutes, be x.

For Container A, we can write:

200 + 6x [since it has 200 and is being filled with 6 per minute]

For Container B, we can write:

500 - 6x [since it has 500 and is being drained with 6 per minute]

To find, we equate them and solve for x:

200+6x=500-6x\\6x+6x=500-200\\12x=300\\x=\frac{300}{12}\\x=25

<em>So, in 25 minutes (m), the two containers will have same amount of water</em>

3 0
3 years ago
Ryan and his brother, Russell, made photo frames for their grandma's birthday. They used shells they collected from the beach ne
Scrat [10]

Answer: No. The two frames does not have the same ratio of white shells to orange shells.

Step-by-step explanation:

Ryan glued 9 white shells and 15 orange shells to the border of his frame. This will give us a fraction of:

9/15 = 3/5

The ratio is 3:5

Russell glued 8 white shells and 10 orange shells to the border of his frame. This will give us a fraction of:

= 8/10 = 4/5

The ratio will be 4:5.

Therefore, the two frames does not have the same ratio of white shells to orange shells.

3 0
3 years ago
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