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Verdich [7]
3 years ago
9

Which numbers are necessary to solve this problem?

Mathematics
1 answer:
SSSSS [86.1K]3 years ago
3 0

Answer:

A

Step-by-step explanation:

A: 3 times a week, 45 minutes, 15 minutes, 4 weeks

In the beginning of the word problem it says Brian goes to the gym 3 times a week. We need to know that because you have to use that number later for multiplication.

The 45 minutes are important because he spends 45 minutes at the gym each visit.

The 15 minutes are important because you have to subtract that from 45 because 15 of the 45 minutes are spent on weights, the rest of the time is spent on the treadmill, and we need to know how long Brian is on the treadmill in 4 weeks.

So the equation should be: [(45-15)* 3]*4

Solution step-by-step:

45-15= 30 minutes for treadmill

30*3=90 minutes per week

90*4= 360 minutes in 4 weeks

Convert into hours:

360 minutes/60 minutes= 6 hours

Hope this helps!!! :D

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A garden table and a bench cost $804 combined the garden table costs $46 less than the bench. What is the cost of the bench
dsp73

Answer:

The cost of the bench is <u>425 dollars</u>.

Step-by-step explanation:

<u>Let x represent the garden table.</u>

<u>Let y represent the bench.</u>

x + y = 804

x = y - 46

<u>Use the substitution method.</u>

y - 46 + y = 804

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<u>Add 46 to both sides.</u>

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<u>Divide both sides by 2.</u>

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Answer:

The cost of the bench is 425 dollars.

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A parking garage allows users to park the first hour free and then charges $2.50 for each additional hour or fraction of an hour
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$2.50x - $2.50 = y should be your equation.


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