Question

do it fast..........​

Answer 1

Answer:

23/19

Step-by-step explanation:

Here , a:b =5:8

so ,a=5and b=8

we have to find (3a+b):(7a-2b)

3a=3×5=15,b=8

(15+8)=23

7a=7×5 =35,2b=2×8=16

(35-16)=19

HOPE THIS WILL HELP YOU

MARKS ME AS A BRANIELIST!!

Answer 2

$\bf\huge{Question:-}$

If a:b=5:8

find (3a+b):(7a-2b)

$\bf\huge{answer:-}$

a:b=5:8

(3a+b)=(3×5)+(8).

=15+8.

=23

(7a-2b)=(7×5)-(2×8)

=35-16

=19

hence,

(3a+b):(7a-2b). =. 23:19