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abigail251
09.12.2019 •
Mathematics
To skate at roller heaven, each person must pay a membership fee (m) and a fee for each session (f). art attended 5 sessions and paid $25 in all. later, when he had attended 10 sessions, he paid $40 in all. how much is the membership fee and how much are the sessions. write the solution as an ordered pair
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Ответ:
m+5f=25 and m+10f=40 solving both for m
m=25-5f and m=40-10f, since f=f, the fee is the same, we can now say:
25-5f=40-10f subtract 25 from both sides
-5f=15-10f add 10f to both sides
5f=15 divide both sides by 5
f=3, now we can solve for the membership fee, m, using either original equation...
m+5f=25, f=3 so
m+5(3)=25
m+15=25
m=10
So the membership fee is $10 and the lesson fee is $3 per session.
Ответ:
26
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