Answer:
2
Step-by-step explanation:
any expression divided by 1 remains the same
you can also calculate the factorial
So basically... you divide the 3 to 2 and that's how you get the decimal. The decimal is... 0.666666666667
3* (a + 1,5) = - 1,5 [:3
a + 1.5 = - 0,5
a = - 0,5 - 1.5 = -2
2 students more were introducced in the class and each group had 8 people
