Jake earned $62.50 in 5 hours. At thesame rate, how much will he earn in8 hours?
2 answers:
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Answer:
10
Step-by-step explanation:
first you need to find the prime factors of the three numbers
ex:
prime factor of 18=
prime of 24=
there is one 2 and one 3 in common
greatest common multiple 2*3=6
so the greatest common multiple is ten because it is the only one that can divide between all three evenly.
so 10 is your answer
Answer:
Age of Mark years
Age of Mark's dad years
Age of Mark's sister years
Step-by-step explanation:
Let age of Mark be years.
Mark's dad is three times older than Mark
Age of her Mark's dad
Mark's sister is 2 years younger than Mark
Age of Mark's sister years
The sum of their ages is 48.
Age of Mark years
Age of Mark's dad years
Age of Mark's sister years