We have to use Pythagorean theorem that says :
The missing length of the triangle is : 36 feet
The missing length of the triangle is : 36 feet
Jason spent $20.00 for school lunches. If each lunch of $2.50, how many lunches did he buy?
2 answers:
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You can see that the term appears in both equations. In this cases, we can leverage this peculiarity and subtract the two equations to get rid of the repeated term. So, if we subtract the first equation from the second, we have
Now that we know the value of , we can substitute in any of the equation to deduce the value of
: if we use the first equation, for example, we have