Question

in an examination hundred marks are distributed among three questions so that they are proportional 8, 5, 7 find the marks for each question​

Answer 1

Answer:

Step-by-step explanation:

Answer 2

Step-by-step explanation:

let the propotions be 8x+5x+7x

total marks=100

accoring to problem

8x+5x+7x=100

20x=100

x=100/20

x=5

actual numbers:

8 x 5 =40

5 x 5 =25

7 x 5 = 35

total =100

therefore the numbers are 40,25 and 35