1. A certain school has 120 teachers. 30% of them teach English, 20% of them teach Spanish and the remainder teach Maths.
a. How many teach English?
b. How many teach Spanish?
c. How many teach Maths?
2. The cell phone below costs $360. It is sold at a 5% discount.
What is the cost of the phone after the discount.
3. Ron scored 20 out of 25 marks in English, 30 out of 40 marks in Science and 68 out of 80 marks in mathematics. In which subject his percentage of marks is best?
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