Paul is 14 years old. His sister is exactly 6 years younger, so this year she is 8 years old.
This year, the ratio of Paul’s age to his sister’s age is 14 : 8

14 : 8 written as simply as possible is 7 : 4

When Paul is 21, what will be the ratio of Paul’s age to his sister’s age?
Write the ratio as simply as possible.

When he is 21 she will be 15, so the ratio is

21 : 15

written simply as possible

7 : 5

Step-by-step explanation:

Well we know she is 6 years younger than him so subtract 6 from 21 to find her age, 15, then we will know the ratio is 21 : 15 and divide both those by 3, which is both those numbers lcm, then we will have 7 : 5

hope this helps! could i get brainliest please:)

hey cam ;)

21:15... Simplified is 7:5

Step-by-step explanation:

This is the simplified answer. I hope this helps!

details

step-by-step explanation:

solution:

the given function is ,

      =

the three roots of this quadratic function is , 0 ,8 and 10.all the roots are real and rational.

if a quadratic equation is of the form ,

sum of the roots = a + b +c= 0+8+10=18=  

product of roots taken two at a time = a b + b c+ c a = 0+80+0=80 =  

product of roots = a b c = 0=  

there are 11 doors in a hall starting from 0 to 11.the entry in the hall is permitted through gate number 0 and exit is allowed through only gate number 8 and 10.so, three roots(0,8,10) of quadratic function is given by entry and exit route of this hall.