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grigory [225]
3 years ago
13

What is the final amount if 2250 is decreased by 2% followed by a further 3% decrease?

Mathematics
2 answers:
sashaice [31]3 years ago
8 0

Answer:

2138.85

Step-by-step explanation:

Marrrta [24]3 years ago
3 0

Answer:

2138.85

Step-by-step explanation:

2250 decreased by 2% is

2% of 2250 subtracted from 2250

That’s

2% /100% x 2250

0.02 x 2250

45

So, decrease = 2250 - 45

= 2205

Now 2205 decreased by 3%

3% of 2205

3% /100% x 2205

0.03 x 2205

66.15

Decrease = 2205 - 66.15

= 2138.85

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zimovet [89]
70 / 35 = 2
So the 70 pound dog weights double the weight of the 35 pound dog, so he will eat twice as much.

2 x 2.5 = 5 cups

Meaning he will eat 5 cups of dry dog food a day.

By the same logic a 140 pound dog would have to eat twice what a 70 pound dog eats, that is 10 cups of dry dog food a day, so 7 1/2 cups are not enough.

Challenge: per pound a dog eats more than a cat. Since you know a 140 pound dog eats 10 cups, you can dive 140 by 10, to find out that each cup feeds 14 pounds, so half a cup would be the amount of food to feed a 7 pound dog, meaning that a dog weighing 1 pound less than a 8 pound cat would need the same amount of food, so it eats more than a cat.

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3 years ago
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MakcuM [25]

Answer:

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Step-by-step explanation:

5 0
2 years ago
A store charges a restocking fee for any returned item based upon the item price. An item priced at $200 has a fee of $12. An it
lyudmila [28]

Answer:

Both ratios reduce to the same ratio 3/50, so the restocking fee is proportional.

Step-by-step explanation:

For the $200, the restocking fee is $12, so the ratio of the restocking fee to the price of the item is 12/200.

For the $150, the restocking fee is $9, so the ratio of the restocking fee to the price of the item is 9/150.

Now we find out if the ratios 12/200 and 9/150 are equal.

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7 0
2 years ago
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6 0
3 years ago
A perfect score on a test with 25 questions is 100. Each question is worth 4 points. Fred got a score of 84 on the test write a
ICE Princess25 [194]
Given:
perfect score- 100
number of questions of the test- 25
worth of each question- 4 points
Fred's score- 84
n- number of questions Fred had answered incorrectly.

solution:
solve for n
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(100 ÷ 4 ) -  ( 84 ÷ 4 ) = n
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therefore, Fred had answered 4 test questions incorrectly.



6 0
3 years ago
Read 2 more answers
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