Answer:
11/15
Step-by-step explanation:
(1 × 5) + (2 × 3)
over
3 × 5
= 11/15
r = 2
2(8r + 5) = 24 + 9r
16r + 10 = 24 + 9r
16r - 9r = 24 - 10
7r = 14