Homework Help Forum: 5th grade math

Posted by lesa on Thursday, October 8, 2009 at 9:23pm.

A girl bought a card and then returned it. The second card cost $1.50 less than the first card. She got 75 cents in change. How much did the first card cost?

• 5th grade math - Ms. Sue, Thursday, October 8, 2009 at 9:33pm

  Let x equal the cost of the first card. x - 1.5 = 0.75 x = 0.75 + 1.5 x = 2.25 Does that make sense to you?

  
  

• 5th grade math - lesa, Thursday, October 8, 2009 at 9:41pm

  yes

  
  

• 5th grade math - aminata, Wednesday, October 14, 2009 at 5:10pm

  how do i round a number that is3,045,832.

  
  

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