bonjour aidez miu slvp

ex 1 : 1- (0.55+0.6+0.65+0.7+0.75+0.8+0.85)/7 = 0.70€
2- 0.7/11 *100 = 6.3%
ex 2 : 1- (14+(15*3)+16+17)/25=3.7%
2- (14+32+9+30+55+48+14+45+16+17)/25=11.2