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Crank
3 years ago
7

Will ran 120 minutes in the past two days. He ran 20 more minutes the second day than the first day. how many minutes did he run

each day?
Mathematics
1 answer:
valentinak56 [21]3 years ago
4 0
Here is the equation: x+(x+20) = 120

Since you can't combine anything yet, its x+x+20=120

You need to get x by itself

Minus 20 from both sides

Its x+x=100 now

Combine the x's which is now 2x

Now divide 100 by 2 which is 50

x=50
---------------

Lets check:

50+(50+20)=120

Now combine the numbers in the parentheses

Its now 50+70=120

50+70=120 and 70-50=20

As you can see, he ran 50 minutes the first day and 70 minutes the second day 
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