I can say that Jared and Nicole are correct because they manipulated the equation right. They can either write the equation as y as a function of x then substitute it to the y in the other equation and solve for x. They can also write the equation as x as a function of y and substitute it to x in the other equation and solve for y. For both solution, they will still obtain the same answers.
$17.
To find this, set up a simple fraction like equation. Using the is over of technique, this equation is formed.
x / 20 = 85 / 100
Multiply 20 with 85 before dividing by 100 to get the final answer of 17.
Hope this helps!
Answer:
Step-by-step explanation:
we know that
There are 
people in Springfield. 
of the population of Springfield are under the age of 
so
To calculate how many people are under in Springfield
Multiply by
Answer:
2/5
Step-by-step explanation:
Picking 4 cards out of 10, and as a fraction, it would be 2/5
