Matt had 60 questions correct on a Percent's Chapter Test that had 150 one-mark questions.
1 answer:
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Answer:
The solution is obtained by adding the two equations.
The solution is: (x, y) = (,
)
Step-by-step explanation:
We are given two equations with two variables. The strategy is to eliminate one variable and solve for both the variables.
The two equations are:
Adding both the equations, we get:
Substituting the value of 'x', we get the value of y.
We substitute in (2). [Can be substituted in any equation].
We get: y = 2x - 1
So, we get the corresponding values of x and y which is the solution of the two equations.
Answer:
of the lasagna is left
<u>Step-by-step explanation:</u>
Given:
Amount of lasagna Rico eats = 1/9
Amount of lasagna His friend eats = 1/18
To Find:
The amount lasagna is left =?
Solution:
Total lasagna ate by both Rico and his friend = Amount of lasagna Rico eats + Amount of lasagna His friend eats
Total lasagna ate by both Rico and his friend =
Total lasagna ate by both Rico and his friend =
Total lasagna ate by both Rico and his friend =
Total lasagna ate by both Rico and his friend =
The amount lasagna is left = 1 - Total lasagna ate by both Rico and his friend.
The amount lasagna is left =
The amount lasagna is left =
The amount lasagna is left =