|3+10|=|3|+|10|
|13|=|13|
13=13
One month = 5000
Number of months before the spark plugs need to change :
15000 ÷ 5000 = 3
The sparks can last 3 months before it needs to be changed.
Number of times it need to change in a year = 12 ÷ 3 = 4
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Answer : It needs to be change 4 times a year.
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The multiplicative inverse of 6 1/8 (49/8) is
8/49
Answer:
In the pic
Step-by-step explanation:
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