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

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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