182 1/3 lbs
If you don't want to mess with adding and subtracting obscure fractions, you can let your calculator do it.
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I find it convenient to add the integer parts separately from the fractional part. Usually, only a slight adjustment is needed at the end.
Integer parts:
... 170 +25 -10 -3 = 182
Fractional parts:
... 2/3 +5/12 -1/4 -1/2 = (8 +5 -3 -6)/12 = 4/12 = 1/3 (added to the above)
Weight after 2 weeks of practice: 182 1/3 lbs.
Answer:
3x +6
Step-by-step explanation:
(4x+7) - (x+1)
Distribute the minus sign
(4x+7) - x-1
Combine like terms
4x -x +7-1
i might not be correct but 33?
7 hours
They worked together for 7 hours ($350 + $120)