Damien jogs 5 miles per day on weekdays only.  How many miles does he run over three weeks?
Three weeks at 5 days per week means Damien runs 3*5=<<3*5=15>>15 times in three weeks.
If each time he runs 5 miles, then over 15 running days he covers 5*15=<<5*15=75>>75 miles.
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Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
You are solving math problems. Here are some examples of how to solve the task:

Musa is the class teacher of a class of 45 students. He wants to split them into three groups by age. If a third of the class is under 11 years, and two-fifths are above 11 but under 13, how many students will be in the third group (13 years and above)?The first group is a third of the class which is (1/3)*45 = <<1/3*45=15>>15 students
There are 15 students in the first group, so there are 45-15 = <<45-15=30>>30 students
The second group is two-fifths of the class which is (2/5)*45 = <<2/5*45=18>>18 students
There are 18 in the second group so there are 30-18 = <<30-18=12>>12 students left in the third group
#### 12[END]

Micah bought envelopes to send, and depending on the weight of the envelope he will need more stamps. If an envelope weighs more than 5 pounds, he will need 5 stamps. If it weighs less than that, it will only need 2 stamps. If he bought 52 stamps with 6 envelopes that weigh less than 5 pounds, how many envelopes in total did Micah need to buy?Micah had to buy 6*2=<<6*2=12>>12 stamps for 6 envelopes less than 5 pounds.
He has 52-12=<<52-12=40>>40 more stamps to buy.
There are 40/5=<<40/5=8>>8 envelopes that weigh more than 5 pounds.
Micah needed to buy 8+6=<<8+6=14>>14 envelopes.
#### 14[END]

Now, solve this next question in the style of the above examples:

Damien jogs 5 miles per day on weekdays only.  How many miles does he run over three weeks?

### Response:
Three weeks at 5 days per week means Damien runs 3*5=<<3*5=15>>15 times in three weeks.
If each time he runs 5 miles, then over 15 running days he covers 5*15=<<5*15=75>>75 miles.
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