Julie go to total of 18 marks in science and math. if her marks in science and math are in ratio 8:9 find her marks in both the subject
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total marks=18
marks in science and maths are in ratio 8:9
let marks in science=8x
let marks in maths=9x
A.T.Q,
8x+9x=18
16x=18
x=18/16
x=9/8
therefore,
marks in science=8x
=8*9/8
=9
marks in maths=9x
=9*9/8
=81/8
=1.13
pls mark me as brainliest.......
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