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Solnce55 [7]
3 years ago
13

Mr. Smith built a rectangular-shaped sandbox for his children, measuring 4 feet by 4 feet by 6 inches. Sand has a density of app

roximately 100 pounds per cubic foot and is sold in 50-pound bags for $3.50 each. How much will it cost Mr. Smith to completely fill the sandbox?
Mathematics
1 answer:
BabaBlast [244]3 years ago
8 0

Answer:

$56.

Step-by-step explanation:

The volume of the box = 4 * 4 * 1/2 = 8 cu ft.

So the weight of sand required = 100* 8 = 800 lbs.

Therefore he requires 800 / 50 = 16 bags of sand.

The  cost will be 16 * 3.50

= $56

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Answer:

2250000 mm^2 or 2.25 m^2

Step-by-step explanation:

Area=1.8*1.25=2.25 m^2=2250000 mm^2

7 0
2 years ago
Tony rides the bus to and from school. His total riding time each day is 45 minutes. How much time does Tony spend riding to and
elena-14-01-66 [18.8K]

Answer:

225 minutes or 3 hours and 45 minutes

Step-by-step explanation:

45 (minutes per day) times 5 (days in a school week) = 225 minutes

or add 45 (minutes per day)+ 45+45+45+45 = 225

To get the hours:

Divide 225 by 60 (minutes per hour) and it is 3 - remainder 45.

3 0
3 years ago
Read 2 more answers
A rectangular parking lot has a perimeter of 384 meters. The length of the parking lot is 36 meters less than the width. Find th
-Dominant- [34]

Answer:

The length and width of the parking lot is 78 meters and 114 meters respectively.

Step-by-step explanation:

Given;

Perimeter of the parking lot = 384\ m

Solution,

Let the width of the parking lot be x.

Then, according to question length = (x-36).

The perimeter of a rectangle is sum of all the sides of rectangle. Which is given by an expression;

perimeter=2\times(length+width)

Now substituting the values, we get;

384=2\times(x-36+x)\\\frac{384}{2}=(2x-36)\\192=2x-36\\192+36=2x\\2x=228\\x=\frac{228}{2}= 114

Width = 114\ m

Length = x-36=114-36=78\ m

Hence the length and width of the parking lot is 78 meters and 114 meters respectively.

6 0
3 years ago
Describe how you would estimate the square root of 100
max2010maxim [7]

I am not completely sure but Khan Academy might show how to do that. Or it might at least give an example.

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3 years ago
2+2=4 the wat does 50*1 equal
Rudiy27

Answer:

34

Step-by-step explanation:

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3 years ago
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