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OpenStudy (anonymous):
What is the value of z in the equation z + 7.8 = 16.4? A. 24.2 B. 8.6 C. 7.6 D. 9.6
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OpenStudy (pandagurl):
what do you think it is?
OpenStudy (pandagurl):
It can't be A, because it's bigger than the answer
OpenStudy (pandagurl):
No, because 7.8+7.6=15.4
OpenStudy (anonymous):
so B
OpenStudy (pandagurl):
Yes! For questions like these, try adding all the likely answers and see which one works!
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