Answer:
120$
Step-by-step explanation:
Equation
$= 10x + 50
x is the amount of hours.
Plug in for x
$ = 10(7) + 50
$ = 70 + 50
$ = 120
Ok so first find the number of cats. Since it says there are done the number of cats to dogs we need to multiply 30 times 2, which equals 60. So now we know there are 60 cats, 30 dogs and 40 birds. Add up all the animals to get 130 animals total. Next divide 30 by 130 to get the percentage. Leave a comment if you need more help.
Answer:
1 19/270!
Step-by-step explanation:
Anywho If you need to simplify this stuff, Go to M.athway! It helps you simplify and other things!
X-4y=6. 5x+y=8
minus X from both sides
4y=6. 4x+y=8
minus y from both sides
3y=6. 4x=8
y=2
X=-2