Answer:
x-intercept: (38/7,0) y-intercept: (0,-38)
Step-by-step explanation:
I think
x is the reciprocal of the difference of a and b.
ax=bx+1
Subtract by bx on both sides
ax-bx=1
x(a-b)=1
x= 1/(a-b)
d=8km
explanation is in the image above
20
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4 anniversary cards
6 greeting cards
8 birthday cards
