$8 -$5= $3
$3/ $5* 100%= 60%
The percent increase is 60%~
If we say that the weight of Jill's cat is w, then we can say that the weight of Jack's cat is 4w.
We know that the combined weight is 35 pounds, so we can write this as
4w+w=35
Which simplifies to
5w=35
If we divide by 5, we are left with
w=7
So that gives us the weight of Jill's cat. If Jack's cat weighs 4 times as much, we can see that
4x7=28
Therefore, Jack's cat weighs 28 pounds :)
Answer:
(-5, -2)
Step-by-step explanation:
3x+4y=-23
x=3y+1
since we have what x is, we need to subsitute
3( 3y+1) + 4y= -23
no we need to multiply the number inside the parenthesis by 3
9y + 3 + 4y= -23
combine like terms ( add the numbers or variables that look alike)
9y+4y is 13y
13y+3= -23
since we need to get the y alone we need to subtract 3 on both sides since its the opposite of adding
13y+3-3=-23-3
13y= -26
now we divide 13 on both sides to get Y alone
13y/13= -26/13
y= -2
now since we have y we need to substitute it to find x
x= 3y+1
x= 3( -2) +1
now we mutliply 3 with -2
x= -6 +1
x=-5
those are ur answers
y= -2
x= -5
hope this helped:D
8x >/= 120
x >/= 15
She must work 15 hours or more to earn at least $120
Answer:
wait few minutes i will try
