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Rachel is 11 years older than Scott. Rachel's age is 7 years less than two times Scott's age. The system below models the relationship between Rachel's age (r) and Scott's age (s): r = s + 11 r = 2s –
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Aug 23, 2017
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Rachel is 11 years older than Scott. Rachel's age is 7 years less than two times Scott's age. The system below models the relationship between Rachel's age (r) and Scott's age (s):
r = s + 11
r = 2s – 7
Which is the correct method to find Rachel's and Scott's ages?
A. Solve r + 11 = 2r – 7 to find the value of s.
B. Solve s + 11 = 2s – 7 to find the value of s.
C.Write the points where the graphs of the equations intersect the x-axis.
D. Write the points where the graphs of the equations intersect the y-axis.
Mathematics
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B. we know that r equals both equations, and that r=r, so they should equal each other.
Hope this helps!
MaxWillmott
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Aug 24, 2017
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Answer:
B. Solve s + 11 = 2s – 7 to find the value of s.
Yuqing Huang
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Aug 27, 2017
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Yuqing Huang
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