Answer: 2a - 7
<u>Step-by-step explanation:</u>
Ana: a
Mrs Vargas: 4a - 4
Leo: 2a + 3
Mrs Vargas - Leo
= (4a - 4) - (2a + 3)
= 4a - 4 -2a - 3
= 2a - 7
Ask your teacher or a family member
Answer:
20/9
Step-by-step explanation:
Answer:
first point at 100cm then the second point at 220cm
Step-by-step explanation:
put the first point at the starting time
the the second point at 220 but 20 mins after the starting time
