Question

URGENTE!!!!!!!!!!!!
ayuda

Answer 1

a/b = 5/9
a + b = 98

9a - 5b = 0
a + b = 98

9a - 5b = 0
- 9a - 9b = - 882

-14b = - 882

b = 63

9a - 5 * 63 = 0

a =  35

a: 35 
b: 63

35/63 = 5/9