SOLUTION: Jack weighs 4/5 of his weight plus 40 lbs. Write the algebraic equation and solve. OK, so I know the answer, just by looking at the problem, but my teacher requires that I write t

Question 337394: Jack weighs 4/5 of his weight plus 40 lbs. Write the algebraic equation and solve. OK, so I know the answer, just by looking at the problem, but my teacher requires that I write the equation and explain, which I cannot do. Please if anybody can help me understand how to do this, I would appreciate it. I struggle with how to write the proper equations.
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
the semantics is usually the problem ; instead of saying "Jack weighs" , say "Jack's weight is"

Jack's weight ___ W

is ___ =

4/5 of his weight plus 40 lbs. ___ (4/5)W + 40

W = (4/5)W + 40

subtracting (4/5)W ___ (1/5)W = 40

multiplying by 5 ___ W = 200
RELATED QUESTIONS
A sq. ft. of wrought iron weighs 40 lbs. Determine weight of a portion 11 in. by 9 in. (answered by josgarithmetic,ikleyn)

Ok, these inequality problems are confusing me. Can anyone please help? You are... (answered by stanbon)

I need to know how to solve this problem so I can explain it to my boys. Joe tossed 4... (answered by stanbon)

OK i need help with this problem and i need the answer its due in one hour please help... (answered by Fombitz)

Bob and Paul are in a bar. Paul asks Bob his weight, which Bob refuses to answer. Paul... (answered by josmiceli)

What is the weight of a steel plate 15 ft long, 4 ft wide and 5/8 inch thick, if the... (answered by mananth)

The reason I can't give you more information as to what section in the chapter or the... (answered by scott8148)

Mike is loading four boxes of provisions on his boat. Together the boxes wigh 80 lbs.... (answered by Theo)

a box of sand weighs 12 lbs when it's 3/4 full. It weighs 2.9 lbs when it's 1/6 full.... (answered by Boreal,greenestamps)