Seudónimo Seudónimo
  • 21-10-2016
  • Mathematics
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Please help top and bottom.

Please help top and bottom class=

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Zos
Zos Zos
  • 21-10-2016
1. Perimeter
22a + 2(6a + 8) -4 = p

[I got 22a from 12a + 10a]

2. If p = 250, what is a?

22a + 2(6a + 8) - 4 = 250
Distributive property
22a + 12a + 16 - 4 = 250
Add like terms
34a + 12 = 250
Subtract 12 by both sides
34a = 238
Divide 34 by both sides
a = 7
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