Sagot :
1/ 25*300 = 7500 /100 = 75
2/ 500 *50 = 2500/100 = 25
3/ 132*10 = 1320/100 = 13,20
4/ 750*70 = 52500/100 = 525 ml
5/ 600*35 = 21000/100 = 210
6/ 22*20 = 440/100 = 4,40. il va payer 22- 4,40 = 17.60
7/350*20 = 7000/100 = 70 il doit afficher 350 + 70 = 420
8/ prix HT = 7+8.50+4.50 = 20. TVA = 20*19.60 = 392/100 = 3.92. Prix TTC = 20 +3.92 = 23.92
9/464*100 = 46400/580 = 80%
10 116 candidats ont échoué soit 20% 116*100= 11600/580 = 20