cathyjuan
11.07.2019 •
Mathematics
Jose won 77 super bouncy balls playing horseshoes at the county fair. at school he gave four to every student in math class. he only has 9 remaining. how many students are in his class?
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Ответ:
He has 17 students in his class.
Ответ:
Step 2. Find the intersection
Step 3. Find the union -> x = - 8/3
Step 4. The equation has 2 solutions
x1 = -8/3
x2= 16/3