Question

in science test,devi scores 15 marks more than lixin.if Devi obtain twice as many as lixin,find the number of marks lixin obtain

Answer 1

Answer: Lixin would obtain 15 marks.

Step-by-step explanation:

Suppose, Lixin obtained x marks.

According to the question, Devi obtained twice as many as Lixin.

So,

Marks obtained by Devi= 2x

But Devi obtained 15 marks more than Lixin, hence

2x-x=15

x=15

Answer 2

he scored 15 marks in the test