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Amanda [17]
3 years ago
7

A) Find the difference between3y minutes and 25y second,giving your answer in second.

Mathematics
2 answers:
jolli1 [7]3 years ago
3 0

Answer:

a. 3 mintes = 180 seconds

BabaBlast [244]3 years ago
3 0

Answer:

155ysec ; 23400z+ 8400 secs

Step-by-step explanation:

3y mins = 3* 60=180y sec

3y mins - 25y sec= 180y sec - 25y= 155y sec

155ysec

From B

50(3z-2)min = 50 * 60 (3z-2) sec

= 3000(3z-2)=9000z-6000

4 (z + 1) hours =4*3600(z+1) =14400z + 14400z

Adding both expression we have;

9000z+14400z-6000+14400=23400z+ 8400 secs

23400z+ 8400 secs

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