It costs $6.45 to buy 5 songs on I-tunes. How much does it cost to buy 20 songs?
1 answer:
Answer:$25.80
Step-by-step explanation:
6.45/5 = 1.29
1.29 x 20 =25.80
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Answer:
Yes, it is arithmetic with the common difference 2.
Step-by-step explanation:
10-8=2
8-6=2
6-4=2
etc.
The equation equivalent to this formula would be D)b1=2A-b2
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(The Answer is 0) let’s say x is the Number of Aerobics classes
5x=3x
2x=0
X=0
