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Svetlanka [38]
3 years ago
14

Long-grain rice costs $0.72/lb. How much would 2.7 lb of long-grain rice cost?

Mathematics
2 answers:
sweet-ann [11.9K]3 years ago
7 0
If $.72 per 1lb, then $x per 2.7lb, by using proportional property:

.72/1 = x/2.7      cross multiply

x = (.72)*(2.7) = $1.94
sweet-ann [11.9K]3 years ago
7 0

Answer:

The cost of the 2.7 lb of long - grain rice is $1.94 .

Option (C) is correct .

Step-by-step explanation:

As given

Long-grain rice costs $0.72/lb.

i.e Cost of long - grain per pound is $0.72 .

Now find out the cost for 2.7 lb long - grain rice .

Cost of 2.7 lb long - grain rice = 2.7 × Cost per pound

Putting values in the above

                                                  = 2.7 × 0.72

                                                  = $ 1.94 (Approx)

Therefore the cost of the 2.7 lb of long - grain rice is $1.94 .

Option (C) is correct .

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The Earth is 1.49 × 108 kilometers from the Sun, multiply this expression by the given power of 10.
soldier1979 [14.2K]
1.49 × 10^8

*just move the decimal point 8 places to the right.

149,000,000

hope this helps :)



7 0
3 years ago
Riley has a farm on a rectangular piece of land that is 200200200 meters wide. This area is divided into two parts: A square are
777dan777 [17]

Answer:

The inequality that models the situation for her to have money to save is

7L² > 3(200L - L²)

On simplifying and solving,

L > 60 meters

Step-by-step explanation:

The length of her farm = L meters

The farm where she grows avocados is of square dimension

Area of the farm = L × L = L²

The piece of land is 200 m wide.

Total area of the piece of land = 200 × L = (200L) m²

If the area of her farm = L²

Area of the side where she lives will be

(Total area of the land) - (Area of the farm)

= (200L - L²)

= L(200 - L)

Every week, Riley spends $3 per square meter on the area where she lives, and earns $7 per square meter from the area where she grows avocados.

Total amount she earns from the side she grows the avocados = 7 × L² = 7L²

Total amount she spends on the side where she lives = 3 × (200L - L²) = 3(200L - L²)

For her to save money, the amount she earns must be greater than the amount she spends, hence the inequality had to be

(Amount she earns) > (Amount she spends)

7L² > 3(200L - L²)

To simplify,

7L² > 3L(200 - L)

Since L is always positive, we can divide both sides by L

7L > 3(200 - L)

7L > 600 - 3L

10L > 600

L > 60 meters

Hope this Helps!!!

7 0
3 years ago
If 1 + + 2 + 3 = 60, then the average (arithmetic mean) of , 2 , 3 , and 4 is equal to what
Zielflug [23.3K]

Step-by-step explanation:

1x+2x+3x=60

x=10

2x+3x+4x=20+30+40=90

average=90÷3=30

3 0
3 years ago
Farmer has to transport a fox, a chicken, and a sack of corn across a river. she can carry only one item at a time. if left toge
vagabundo [1.1K]
Step by step guide
1)carry the chicken over and put it there
2) farmer cross alone to carry the corn over and carry the chicken back
3) put the chicken there and carry the fox to put there with th3 corn
4) go back to get the chicken
6 0
3 years ago
Can someone help and explain this because I don't get it!
creativ13 [48]
The area of a triangle in determined by the formula:
\frac{b \times h}{2}
where b is the base of the triangle and h is it's height

You just have to replace the b and h with their values in the formula (b=9.9ft and h=5.5ft)
\frac{b \times h}{2}  =  \frac{9.9 \times 5.5}{2}  =27.225

The answer is 27.225 ft^2

3 0
3 years ago
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