Write equations to solve each problem.


  1. There are 6 girls at a park. 6 boys join them. Then 4 girls go home. How many children are at the park now?


  1. Mr. Villa's class has 23 students. Ms. Anderson's class has 3 more students than Mr. Villa's class. How many students are there in all?

Verified Answer :

Final answer:

In Problem 6, there are 8 children left in the park after boys join and girls go home. In Problem 7, there are 49 students in total in both Mr. Villa's and Ms. Anderson's classes. We found the answers using simple addition and subtraction equations.


Explanation:

Solving the Problems

Let's break down each problem step by step, using equations to find the answers.

Problem 6

Initially, there are 6 girls at the park. When 6 boys join them, we can represent this as:

  1. Initial girls: 6
  2. Boys joining: 6
  3. New total after boys join: 6 + 6 = 12

After that, 4 girls go home. So, we need to subtract those girls:

  1. Total children before some leave: 12
  2. Girls leaving: 4
  3. Children remaining: 12 - 4 = 8

Thus, the final number of children at the park is 8.

Problem 7

Mr. Villa's class has 23 students. Ms. Anderson's class has 3 more students than Mr. Villa's class. We can write this as:

  1. Students in Mr. Villa's class: 23
  2. Students in Ms. Anderson's class: 23 + 3 = 26

To find the total number of students in both classes, we add:

  1. Total students: 23 + 26 = 49

Therefore, the total number of students in both classes is 49.


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