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RideAnS [48]
3 years ago
12

How much time has passed?

Mathematics
2 answers:
Drupady [299]3 years ago
6 0

Answer:

2 hours 40 minutes

Step-by-step explanation:

If you add 3 hours, it will be 7:45

You subtract 20 minutes to get to 7:25

3 hours - 20 minutes = 2 hours 40 minutes

balandron [24]3 years ago
6 0
The correct answer is 2 hours and 40 min
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There are 23 classes in the fourth grade. Each grade has 21 students. Write a number sentence that will provide a reasonable est
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6 0
3 years ago
If<br> 21 = 42<br> 39 = 618<br> 17 = 214<br> then what does<br> 45 = ?
Brums [2.3K]

Answer:

810

Step-by-step explanation:

21 = 42

Decode:

Number in the tens place = 2 x 2 = 4

Number in the ones place = 1 x 2 = 2

Answer: 42

39 = 618

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Number in the ones place = 9 x 2 = 18

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17 = 214

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Number in the tens place = 1 x 2 = 2

Number in the ones place = 7 x 2 = 14

Answer: 214

Find 45

Number in the tens place = 4 x 2 = 8

Number in the ones place = 5 x 2 = 10

Answer: 810

3 0
3 years ago
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