Asked by Katy
In 1994 school lunch was $1.20. In 1999 it increased to $2.25. FInd the rate of change for school lunch from 1994-1999
Answers
Answered by
Gaby
Divide 6 into 2.25. The rate went up about .375 cents a year.
Answered by
Celina
By what you said in the problem, I think you are trying to find a percent. In this case, you could set up an eqaution. Do you know cross multiplication. Well, just in case you don't, I'll show you.
x/100 = 1.20/2.25
Then what you would do is multiply 1.20 by 100, then divide by 2.25.
And there's your answer!
Hope I helped!
x/100 = 1.20/2.25
Then what you would do is multiply 1.20 by 100, then divide by 2.25.
And there's your answer!
Hope I helped!
Answered by
Katy
ok thank you so much!!!
Answered by
Ms. Sue
Another way to solve this problem:
2.25 - 1.20 = 1.05
1.05 / 1.2 = 0.875 = 87.5%
2.25 - 1.20 = 1.05
1.05 / 1.2 = 0.875 = 87.5%
Answered by
Celina
You're welcome. I'm glad I could help!
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