Fulloftalent13 Fulloftalent13
  • 08-12-2016
  • Mathematics
contestada

Tim earns $120 plus $30 for each lawn he mows. Write an inequality to represent how many lawns he needs to mow to make more than $310.

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klaudiakotwica
klaudiakotwica klaudiakotwica
  • 08-12-2016
a - number of lawn that Tim needs to mow
310 < 120 + 30a
190 < 30a
6.333 < a
a > 6.333

Tim needs to mow at least 7 lawns in order to earn more than $310
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