Answer:
Step-by-step explanation: 344
13/5a - 8/5
Step-by-step explanation:
= 35/15a + 4/15a - 8/5
= 39/15a - 8/5
= 13/5a - 8/5
Answer:720
$15
18/12 = 1.50 per donut
10 x 1.5 = 15