Question

Ritu got 72 marks out of 120 and 70 marks out of 150. the maximum marks in mathematics was 180.if she got 60% marks in all three papers combined. How many marks did she get in mathematics?​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

128

Step-by-step explanation:

total marks did she get in mathematics =x

total marks marks obtained by ritu =72+70+x=142

total max. marks =120+150+180=450

(142+x)÷450×100=60

(142+x)x100=60×450

14200+100x=27000

100x = 27000-14200

100x= 12800

x=12800÷100=128

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