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Vlad1618 [11]
3 years ago
14

What number is 65% of 200

Mathematics
2 answers:
bulgar [2K]3 years ago
4 0
I think it’s 130. Why? Because 65 x 200 over 100 = 130
Gennadij [26K]3 years ago
4 0
130?
divide 200 by 100 and you'll get 2 then multiply 2 times 65 and that's 130
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A delivery truck is transporting boxes of two sizes: large and small. The large boxes weigh 50 pounds each, and the small boxes
Arturiano [62]

Answer: 50 large box

Step-by-step explanation:

First, "boxes of two sizes" means we can assign variables:

Let x = number of large boxes

y = number of small boxes

"There are 115 boxes in all" means x + y = 115 [eq1]

Now, the pounds for each kind of box is:

(pounds per box)*(number of boxes)

So,

pounds for large boxes + pounds for small boxes = 4125 pounds

"the truck is carrying a total of 4125 pounds in boxes"

(50)*(x) + (25)*(y) = 4125 [eq2]

It is important to find two equations so we can solve for two variables.

Solve for one of the variables in eq1 then replace (substitute) the expression for that variable in eq2. Let's solve for x:

x = 115 - y [from eq1]

50(115-y) + 25y = 4125 [from eq2]

5750 - 50y + 25y = 4125 [distribute]

5750 - 25y = 4125

-25y = -1625

y = 65 [divide both sides by (-25)]

There are 65 small boxes.

Put that value into either equation (now, which is easier?) to solve for x:

x = 115 - y

x = 115 - 65

x = 50

There are 50 large boxes.

Check (very important):

Is 50+65 = 115 ? [eq1]

115 = 115 ?yes

Is 50(50) + 25(65) = 4125 ?

2500 + 1625 = 4125 ?

4125 = 4125 ? yes

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Nat2105 [25]

The answer is 21 because if you subtract 17 from 17 and 38 you get 21. Z=21.

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3 years ago
Read 2 more answers
Please help 100 points.​
IceJOKER [234]

Answer:

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surface area = 2(5*4 + 2*4 + 2*5)

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Answer:

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then take the log to get log_3 (10) = x-1 = 2.096

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