Question

maria citeste in timp de o saptamana o carte asfel luni 105 pagini apoi in fiecare zi cu cate 25 de pagini mai mult decat ziua precedenta cate pagini are cartea stind ca duminica seara in aceiasi saptamna o termina de citit

Answer 1

l=105

m=105+25=130

m=105+25+25=155

j=105+25+25+25=180

v=105+25+25+25+25=205

s=105+25+25+25+25+25=230

d=105+25+25+25+25+25+25=255

total carte =130+155+180+205+230+255=1155

Answer 2

105x7 + 25x6 + 25x5 + 25x 4 + 25 x 3 + 25 x2 + 25 = 105x 7 + 25x21.