You would have to divide by three and then you would get ____cal per bar
Answer:
y=-5
Step-by-step explanation:
see the attached figure to better understand the problem
we know that
The diagonals of a rectangle are equal and bisect each other
so

step 1
Find the value of x
substitute the given values

solve for x
Multiply by 2 both sides


step 2
Find the value of y

we have


substitute

substitute the value of x

Word Problem:
Take a number, <em>x</em>, double it and then take that result away from 10.
Expression: