Answer:
100
Step-by-step explanation:
This can be turned into:
(if we add the numbers inside the brackets)
Following PEDMAS, this becomes:
which equals
∴
My tens digit is double my ones digit. I am less than 70 and greater than 60.
1 answer:
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Check the picture below.
running a perpendicular line like so from the right-angle, makes three similar triangles, the large, containing the smaller ones, and a medium and a small one. Now, using proportions, you can just use there, the medium and smalle to get "x".
running a perpendicular line like so from the right-angle, makes three similar triangles, the large, containing the smaller ones, and a medium and a small one. Now, using proportions, you can just use there, the medium and smalle to get "x".