In a family of three, the father weighed 5 times as much as the child, and the mother weighed 3/4 as much as the father. If the three of them weighed a total of 390 pounds, how much did they each weigh?

ruth is 6 years old

step-by-step explanation:

6 + 24 = 30,   so 6/30 = .2  

if you do 1/5 it also equals .2, so that is the answer.

income. 10x+1300

expenses 3x+(1800+1500)

expenses 3x+3300

to break even:

income = expense,

10x + 1300 = 3x + 3300,

solve for x.

step-by-step explanation:

mark brainliest