Question

A father and his daughter together weigh seven times the daughter's weight x. The father weighs 180 lbs. Which equation can be used to find the daughter's weight?

A. 180 - 7x = x
B. x - 180 = 7x
C.180-x = 7x
D. 180 + x = 7x

Answer 1

The answer would be D.
180+x=7x
The father's weight (180) + the daughter's (x) = 7 times the daughter's weight (x)

Answer 2

father and daguther together
father=180
father and daughter is 7 times daught
father+x=7x
180+x=7x
D is answer
and daughter=30lb