Question

Daca puteti sa ma ajutatii!!!!!!Ms

Answer 1

31)16*4=64 lei banii pe masinute

64+35=99 lei suma initiala

32)(a+a+1+a+2):7=13 rest 5
3a+3=7*13+5
3a+3=91+5
3a=91+5-3
3a=93
a=31
a+1=31+1=32
a+2=31+2=33

33)2(12+x)=39+x

24+2x=39+x

2x-x=39-24

x=15