Answer:
x=29 y=90
Step-by-step explanation:
Multiply the left and right side by 7 to get rid of the denominator, leaving you with 6x=-84. Then divide, x=-84/6, x=-14!
40-25=15l conspumtion in 150km
average=150/15=10km/l
distance in 25l=10X25=250
Boy: x
girl: x - 53
father: 4(x - 53)
Now you simplify.
Answer:
The answer is 828,560,956,045
Step-by-step explanation: