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Rewrite the following expression so that it is easier to read:

[tex]\[ (a + b)(a + b)^* \equiv (a + b)^+ \][/tex]


Sagot :

Sure, let's go through a detailed, step-by-step solution to the question given the numerical results.

First, we start knowing that you initially have [tex]$23. ### Step 1: Define the variables You start with three different values: - money\_initial: The amount of money you initially have, which is $[/tex]23.
- bagels: The number of bagels you are buying, which is 5.
- bagel\_cost: The cost of one bagel, which is [tex]$3 each. ### Step 2: Calculate the total cost of bagels To find the total amount of money spent on buying bagels, you multiply the number of bagels by the cost of each bagel. \[ \text{money\_spent} = \text{bagels} \times \text{bagel\_cost} \] Substituting the given values, we have: \[ \text{money\_spent} = 5 \times 3 \] \[ \text{money\_spent} = 15 \] So, you spent $[/tex]15 on bagels.

### Step 3: Calculate the remaining money
To find out how much money is left after buying the bagels, you subtract the money spent from the initial amount of money.
[tex]\[ \text{money\_left} = \text{money\_initial} - \text{money\_spent} \][/tex]

Substituting the known values, we have:
[tex]\[ \text{money\_left} = 23 - 15 \][/tex]
[tex]\[ \text{money\_left} = 8 \][/tex]

So, you have [tex]$8 remaining after buying the bagels. ### Summary - The total amount of money spent on bagels is $[/tex]15.
- The amount of money left after the purchase is [tex]$8. Thus, the solution to the problem involves spending $[/tex]15 on bagels, and you are left with $8.