Answer:
38
Step-by-step explanation:
Answer:
25
Step-by-step explanation:
The daughter is ten which means the wife is 30 (10*3) and the man is 5 years older than the wife (30+5). The man is 35 and the daughter is ten, so subtract ten years from the man (35-10) which means the man is 25 years old
Answer:
The slope is 4...
Step-by-step explanation:
y = mx + c
y = 4x
compare both..

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Hope you could get an idea from here.
Doubt clarification - use comment section.
Answer:
8 hours.
Step-by-step explanation:
80 = 12 + 8.5t where t is the time rented in hours
8.5t = 80 - 12 = 68
t = 68/8.5
= 8 hours.