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Dafna1 [17]
3 years ago
8

Help pls some one pls​

Mathematics
1 answer:
Gennadij [26K]3 years ago
4 0
ANSWER: 38.25 pounds

EXPLANATION:

One gallon weighs 8.5 pounds. In 4 1/2 there are 4 gallons so we’re need to figure out how much 4 gallons weigh. To do this multiply the weight of one gallon by the number of gallons.

4 x 8.5 = 34

So we know that 4 gallons is 34 pounds

Now we still have half a pound we need to find the weight of. To find the weight of half a pound divide the weight of one gallon by 2.

8.5 divided by 2 = 4.25

Now we add the 4 pounds and the 1/2 to get the weight of them.

34 + 4.25 = 38.25

So the answer is 38.25 pounds

If you need more of an explanation let me know I can try to explain better :)

GOOD LUCK WITH THE REST IF YOUR WORK! :)
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a(x+3) < 5x+15-x\\\\ax+3a < 5x+15-x\\\\ax+3a < 4x+15\ \ \ |-3a\\\\ax < 4x+15-3a\ \ \ \ |-4x\\\\ax-4x < 15-3a\\\\(a-4)x < 15-3a\\\\\text{The solution is all real numbers if}\ a-4=0\ \ \ |+4\\\\\boxed{a=4}\\\\\text{Check:}\\\\4(x+3) < 5x+15-x\\4x+12 < 4x+15\ \ \ \ |-4x\\12 < 15\ TRUE\to x\in\mathbb{R}

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