## Task 1

As part of the assignment "Pioneer Signal - X. Party Congress," the two 4th grade classes of the FriedrichEngels-Oberschule are providing Timur assistance. In class 4a, there are 17 Thälmann Pioneers. This is 7 Thälmann Pioneers more than half of the students who participated from class 4b.

How many Thälmann Pioneers from class 4b are providing Timur assistance?
Half of the Timur helpers from class 4 b: 17 - $7=10$, number of students: $10 \cdot 2=20$

In class $4 \mathrm{~b}$, 20 Thälmann Pioneers provide Timur help.