Twice the difference of a number and 1 is 4 more than that number. Find the numbers using Polyas 4 step
1 answer:
Answer:
6
Step-by-step explanation:
2 times the difference of a number and 1 = 4 plus that number
In other to express the word problem Mathematically ; let the number = x
2(x - 1) = 4 + x
Expand
2x - 2 = 4 + x
Collect like terms
2x - x = 4 + 2
x = 6
Hence, the number is 6
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Answer:
30.3
Step-by-step explanation:
takes her 20 minutes to walk 1/2 a mile
2 miles=80 minutes
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{This is not my work!!!}
