Administrative

There are 21 employees working in a warehouse - manual and clerical workers. When adjusting the wages, they reduced the daily wage of each clerical worker by €3 and increased the daily wage of each manual worker by €2, so the total daily wage increased by €17. Calculate how many workers and how many administrative workers work in the warehouse.

Correct answer:

a =  5
r =  16

Step-by-step explanation:

a+r=21 (A3) a+(R+2) r=17 + A a+R r  (A3) a+(R+2) (21a)=17 + A a+R (21a) a A  a R  5 a + 21 R + 42 = a A  a R + 21 R + 17  5 a+42=17  5 a+42=17  5a=25  a=525=5  a=5
r=21a=215=16



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You need to know the following knowledge to solve this word math problem:

algebrabasic functionsUnits of physical quantitiesGrade of the word problem

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