Asked by Jane
Lena bought a total of 20 postcards. She bought 6 more large poscards than small. Write a system of equations that represents the postcards Lena purchased. Solve the system by substitution. Interpret the solution.
Answers
Answered by
kay
Let x:number of small and y:big
x+y=20
y=x+6
You can solve the system now...
x+y=20
y=x+6
You can solve the system now...
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