1.

What answer please comment​

Answer»

ong>Answer:

45

Step-by-step explanation:

LET X be the mark of Karim

x + (x-15) + (x-10) = 110

x + x - 15 + x - 10 = 110

x + x + x = 110 + 15 +10

3x = 135

x = 45

Karim's mark: 45



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