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34. Cristina is using two mobile networks to make phone calls. One network charges her Php 5.50 for every minute of call to other networks. The other network charges her Php 6 for every minute of call to other networks. In a month, she spends at least Php 300 for these calls. Write a model that determines the total costs of her mobile calls to other networks using a mathematical statement​

Sagot :

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Write a model that determines the total costs of her mobile calls to other networks using a mathematical statement​.

ANS. 5.50x + 6y > 300

-  Inequality, The two expressions are not necessarily equal which is indicated by the symbols: >, <, ≤ or ≥.

1. x>y, x is greater than

2. x ≥ y, x is greater than or equal to y

3. x<y, x is less than y

4. x ≤ y

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