Asher123
Asher123 Asher123
  • 17-12-2014
  • Mathematics
Answered

4 students spent $12 on school lunch. At this rate, find the amount 10 students would spend on the same school lunch.



Answer :

luana
luana luana
  • 17-12-2014
[tex]4\ students\ spend\ 12\$\\\\ 10\ students\ spent \ x\\\\ making\ proportion:\\ 4-12\\10-x\\\\cross\ multiplication\\\\ 12*10=4x\\\\ 120=4x \ \ \ | divide\by\ 4\\\\ x=30\\\\ 10\ students\ spend\ 30\$.[/tex]
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