Question

Ex 10 si 14 pls 25 puncte

Answer 1

10)
a) 5/X x 80=100
400/X=100
X=400:100
X=4

b) 17/X x180=153
3060/X=153
X=3060:153
X=20

c) 10/X x21=30
210/X=30
X=210:30
X=7

d) 34/X x 4800=13600
163200/X=13600
X=163200:13600
X=12

14)

5500X5%=275
5500+275=5775 lei dupa scumpire costa 1 tona de benzina

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