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2 answers:
<h3>hello!</h3>
First, let's check how many 7th grade students take the bus.
On the graph, find "7th grade"
There are 90 7th grade students taking the bus.
Same with the 8th grade:-
120 students
How many 7th & 8th grade students take the bus?
The sum of the 7th grade students & the 8th grade students is your answer.
So, add:-
Hope everything is clear; if you need any explanation/clarification, kindly let me know, and I'll comment and/or edit my answer :)
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We can say that more the bushels of wheat more will be the weight of the wheat.
Hence, the quantities vary directly.
Therefore, we have
, where k is the constant of variation.
Now, we have been given that 5 bushels of wheat weigh 136 kg. Thus, we have
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