8x - 7 = 3x + 9
8x - 3x = 9 + 7
5x = 16
x = 16/5 = 3 1/5
Your blood circulates a total of 128 times a hour, or 3 times a minute.
-hope this helps
@FauxGeoDuck
Answer:
Equation: y = x
21/2 cups of water
Step-by-step explanation:
Plug in 7 as y and 4 as x
7 = 4k
Find k
k = 7/4
Then plug k into th equation
y = 7/4 x
For the second part of the question:
Plug in x which is 6 into the bolded equation.
y = (7/4)(6) = 42/4 = 21/2 (simplified form)
21/2 cups of water
Answer:
$5.36
Step-by-step explanation:
multiply 8 by .67
Answer:59.62
Step-by-step explanation:
0riginal price=selling price+discount
=51.23+8.39
=59.62