daisypongratz2 daisypongratz2
  • 22-03-2017
  • Mathematics
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How may shells does Joshua have?

How may shells does Joshua have class=

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Аноним Аноним
  • 22-03-2017
24, since 54-30 is 24, and 30+24 is 54.
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ciennabk
ciennabk ciennabk
  • 22-03-2017
joshua has 12 shells

k+ j=54
k +(k-30)=54
k+k=84
2k=84
k=42

j=k-30
j=42-30
j=12


double check 
12+42= 54!!
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