Question

The ratio of acid and water in two vessels are 7:5 and 7:9. Equal quantities are mixed from these two vessels in a large vessel. Find the ratio of acid and water in the large vessel.​

Answer 1

Step-by-step explanation:

7:5= 7/5

and

7:9= 7/9

now add ;

7/5+7/9

= first find LCM of denominator,

LCM of 5and 9= 45

now equal the denominator,

= 63/45 + 63+/45

= 126/45

126:45