Question

va rog frumos ajutati-ma nu stiu sa fac ex 2

Answer 1

a)57
b)57
c)71
sper sa fie bine

Answer 2

VI A regula de trei simpla

75%..................18 elevi

100%..................x elevi

x=100*18/75=24 elevi

VI B

30elevi................100%

27elevi....................x%

x=27*100/30=90% promovabilitate

VI C

100%........................25elevi

96%............................x elevi

x=96*25/100=24 elevi promovati