3x-4y=10
or,4y=3x-10
or,y=(3x-10)/4
so,y=3/4 x-5/2
C=x+9, c+x=99, c=99-x
So we have two equations equal to c, c=x+9 and c=99-x, since c=c:
x+9=99-x
2x+9=99
2x=90
x=45, and since c=x+9, c=54
So Charlie weighs 54 kg and his brother weighs 45 kg.
Answer:
the likehood that an n fell on the floor is 2 in 13.
Step-by-step explanation:
Sabrina should be careful of those ants and bees.
Answer:
500
Step-by-step explanation: