Question

5pens and 6pencil together cost Rs 9 and 2pencil 3pens cost Rs 5.find the cost of 1pen and 1 pencil
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Answer 1

Answer:

equations are,

5x+6y=9 (1)

2x+3y=5 (2)

Answer 2

Step-by-step explanation:

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Among adults, the average body temperature ranges from 97°F (36.1°C) to 99°F (37.2°C). Adults over age 65. In older adults, the average body temperature is lower than 98.6°F (37°C).