Answer: -3a - 8
Step-by-step explanation:
(13 a - 5 ) - (16a + 3) = 13 a - 5 - 16a - 3 = -3a -8
I think it is a Convience Sampling.
Answer:
She can buy 15 lunches.
1.95x15=29.25
20 glasses a day
2.5litres equals 2500millilitres
2500÷125=20