nerdawsome47 nerdawsome47
  • 04-12-2015
  • Mathematics
contestada

in 2012 five us postal stamps cost 2.20. how much did seven stamps cost

Respuesta :

JZISHERE JZISHERE
  • 04-12-2015
3.08 because 2.2 divide 5 because it is 0.44
0.44 times 7 is 3.08
~JZ
Answer Link
VenusRetrograde
VenusRetrograde VenusRetrograde
  • 04-12-2015
Answer=3.08

   5        7
____=____
2.20      x

cross multiply
5x=15.4
divide both sides by 5
x=3.08
Answer Link

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