You buy 21 lbs of cucumbers which are 92% water. A few days later they’re 85% water. How much do they weigh then?

1 answer:

3 0

To solve this, you must find the initial weight of the cucumber. To do this, you must divide the weight by the percentage of water and multiply it by 100.

(21/92)×100=22.83lbs.

Then, you multiply it by 85% and divide it by 100. Or simply multiply it by 0.85.

22.83×0.85=19.41lbs.

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A box of nails weighs 130 pounds when it is 2/3 full. It weighs 74 pounds when it is 3/8 full. What is the weight of the box?

NeTakaya

Let the weight of the full Volume of nails in the box be W.
Let the weight of the box be B.

2/3 W + B = 130 ........i From the first statement.
3/8 W + B = 74 ......ii    From the second statement.

Equation (i) Minus (ii)

2/3 W - 3/8 W + B - B = 130 - 74
(16W - 9W) / 24    = 56

7W / 24 = 56.
W = 56 * 24 / 7
W      = 192 Pounds.

Substituting V = 64 in equation (i)
2/3 W + B = 130
2/3 * 192 + B = 130
2 * 64 + B = 130
128 + B = 130
B = 130 -128 = 2.

Therefore, weight of box, B = 2 pounds.

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20 + 17y = -6 + 15y<br><br> Can you help me find y?

MariettaO [177]

20 + 17y = -6 + 15y

First, regroup your terms.
$20 + 17y = 15y - 6$
Second, take away '15y' from each side.
$20 + 17y - 15y = -6$
Third, subtract '17y - 15y' to get '2y'.
$20 + 2y = -6$
Fourth, take away '20' from both sides.
$2y = -6 - 20$
Fifth, simplify '-6 - 20' to get '-26'.
$2y = -26$
Sixth, divide both sides by '2'.
$y = -\frac{26}{2}$
Seventh, how many times goes 2 go into 26? 26 ÷ 2 = 13.
$y = -13$

Answer: y = -13

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Step-by-step explanation:

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The answer is a facilitator.
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Read 2 more answers

HELP ASAP PLEASE!!! 20 POINTS!

Elenna [48]

<h3>♫ - - - - - - - - - - - - - - - ~Hello There!~ - - - - - - - - - - - - - - - ♫</h3>

➷ Use the expression "x + 2" to work this out

1 + (1 + 2) + (3 + 2) + (5 + 2) + (7 + 2) + (9 + 2) + (11 + 2 ) + (13 + 2) = 64

He will have saved $64

➶ Hope This Helps You!

➶ Good Luck (:

➶ Have A Great Day ^-^

↬ ʜᴀɴɴᴀʜ ♡

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