Problem. The teacher gives homework.
The teacher divided to 10 students, 5 worksheets each. How many worksheets did the teacher have if he remains with 4 worksheets?
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Exemple !
The teacher divided to 15 students, 5 worksheets each. How many worksheets did the teacher have if he remains with 11 worksheets?
x : 15 = 5 + 11
x = 15 × 5 + 11
x = 86