Question 2: 31-_=56-27
2 answers:
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If and
are odd positive integers, they are one more than a non-negative even number, i.e. there exists
such that
So, the first expression become
Similarly, we have
Now, the parity of these expressions depend on those of and
. We have four cases:
If both m and n are even:
is odd, since
is even, while
is even
If one of the two is odd and the other is even:
is even, since
is odd, while
is odd
If both are odd:
is odd, since
is even, while
is even
So, in all cases, one between (a+b)/2 and (a-b)/2 is odd, and the other is even.
A Bakery Sells Muffins And Bagels. Each Muffin Costs 2.25 And Each Bagel Costs 1.50 . The Bakery Earns 775.50 From The Sale Of Muffins And Bagels On Saturday.
A. Write An Equation In Standard From The Repressents This Situation. (Ax+By=C)
B. If The Barkey Sells 322 Bagels, How Many Muffins Did They Sell?
Answer:
130 muffins
Step-by-step explanation:
Let A be the costs of each Muffin And B be the cost of each Bagel.
Let x be the Muffins and y be the the Bagel.
Given:
So, the equation is written as.
---------(1)
Bakery sells 322 Bagels.
We need to find muffins sell.
Solution:
Bakery sells 322 Bagels that means y = 322
Now, we substitute y value in equation 1.
Solve the above equation for x.
x = 130 muffins
Therefore, the bakery sells 130 muffins.