In this case, 7 is being added to the odometer which already reads 78. If you add 7 to 78, you get 85. Meaning y = 85!
33 dollars. The tip is 3 dollars, and that to 30 dollar dinner bill and the whole bill will be $33.
Using proportions, it is found that the least number of teams that will include all of the students is of 10.
<h3>What is a proportion?</h3>
A proportion is a fraction of a total amount, and the measures are related using a rule of three.
In this problem, 12 + 36 + 9 = 57 students will be divided into teams of no more than 6 students, hence:
57/6 = 9.5.
Rounding up, the least number of teams that will include all of the students is of 10.
More can be learned about proportions at brainly.com/question/24372153
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