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Answer:
hope this helps!
Step-by-step explanation:
1) Each of the 13 students gets 6 balloons. that means for every student there is 6 balloons.
b = 13 x 6
2) the amount absent plus the amount that were here at school equal to the total amount of people that are enrolled at school.
58 + s = 494
3) substitute the given values into the area equation of the trapezoid
A = bh
32 = 8*h