Simplify the expression: 3(1 + 8b)
1 answer:
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Answer:
RS = 16
Step-by-step explanation:
If a line is parallel to a side of a triangle and intersects the other 2 sides , it divides those sides proportionally.
PR is such a line , then
=
( substitute values )
=
= 2 ( multiply both sides by RS )
32 = 2 RS ( divide both sides by 2 )
16 = RS