Asked by Tess
Write a linear equation to fit each situation.
1) A medical laboratory charges $30 for a consultation and an additional $10 per test. (Let t = the # of test, f(t) = the total fee.)
Answer: f(t)=30+10t
2) A 150 kg man goes on a diet and loses 1.4 kg/week. Relate weight to the number of weeks on the diet. (Identify variables as in #1.)
Answer: f(w)=150-1.4w, w=week, f(w)=total weight
3) 2 hours into a trip by car is 600 miles from its desitnation, Chicago. The car travels at an average speed of 50 mph. (Let t = time in hours, d(t) = distance from Chicago)
d(t)=600-50t
Are my answers correct? If not please help me.
1) A medical laboratory charges $30 for a consultation and an additional $10 per test. (Let t = the # of test, f(t) = the total fee.)
Answer: f(t)=30+10t
2) A 150 kg man goes on a diet and loses 1.4 kg/week. Relate weight to the number of weeks on the diet. (Identify variables as in #1.)
Answer: f(w)=150-1.4w, w=week, f(w)=total weight
3) 2 hours into a trip by car is 600 miles from its desitnation, Chicago. The car travels at an average speed of 50 mph. (Let t = time in hours, d(t) = distance from Chicago)
d(t)=600-50t
Are my answers correct? If not please help me.
Answers
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