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Salsk061 [2.6K]
2 years ago
11

The smith family took three days to drive to Florida. They drove m miles on the first day. On the second day, they drive five mo

re miles than they did on the first day. If they drove three times as many miles on the third day as they did on the second day, write an expression to represent the total miles they drove in simplest form.
Mathematics
1 answer:
irina [24]2 years ago
4 0

Answer: 5m + 20 miles

Step-by-step explanation:

Miles driven on first day = m

On the second day, they drive five more miles than they did on the first day. This will be: = m + 5

On the third day, they drove three times as many miles as they did on the second day. This will be:

= 3(m + 5)

= 3m + 15

Total miles driven will now be:

= m + m+5 + 3m + 15

= 5m + 20

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__________________________________________________________

<u>Summary</u>

  <u>Substitution</u>

Changing or replacing from a term to another terms/expression is called substitution.

Examples:—

If we are given the expression \displaystyle \large{2y-1} and we want to find the value when y = 4, simply replace y-term to 4.

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__________________________________________________________

If you have any doubts regarding my answer/explanation, do not hesitate to ask in comment!

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