Your mother has a new cell phone. It comes with 18 applications already installed. She uses only 2/3 of those applications. She downloaded an additional 12 applications that she uses regularly. Write an equation to represent the total number of applications your mom uses. Explain your equation and your reasoning
Answers
- Useful applications is 24.
- as 2/3*18=12.
- Then downloaded=12 given
- The total useful apps=12+12=24.
Given : Mother phone has 18 application , 2/3 being used and 12 more installed and used regularly
To find : Write an equation to represent the total number of applications
Solution:
Number of Applications already installed = A
Mother uses 2/3 of those application
Mother uses = (2/3)A = 2A/3
Downloaded Application = 12
Total number of Application Mom uses = T
T = 2A/3 + 12
=> T = (2A + 36)/3
=>T = 2(A + 18)/3
A is already installed applications
A = 18
=> T = 2(18 + 18)/3
=> T = 2(36/3)
=> T = 2 * 12
=> T = 24
24 Applications being used by mom
T = 2(A + 18)/3
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