Solve x − 2y = 6 3x − 6y = 18
1 answer:
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check the picture below
and isosceles triangle, has two equal sides, thus, sides "a" and "b" for the triangle to be an isosceles, have to be equal
Total money Marcus has = $28
Money spent to buy a notebook = $3.75
Money left now =
Money needed to be saved = $11.25
So, the amount of money Marcus can spend =
Cost of a packet of chips = $1.30
The inequality to determine the maximum number of chips he can buy is:
Let the number of chips Marcus can buy = x
As he cannot spend more than $13 to buy chips so equation becomes:
Solving this we get
Hence, Marcus can buy a maximum of 10 packs of chips and save $11.25