Răspuns :
4/7 din 504=504:7x4=72x4=288
504-288=216
5/8 din 216=216:8x5=27x5=135
288+135=423
504-423=81 au ramas
504-288=216
5/8 din 216=216:8x5=27x5=135
288+135=423
504-423=81 au ramas
[tex] \frac{4}{7}din504= \frac{4}{7}* \frac{504}{1}=288 [/tex] prajituri s-au vandut dimineata.
504-288=216
[tex] \frac{5}{8}din216= \frac{5}{8}* \frac{216}{1} =135 [/tex]prajituri s-au vandut dupa-amiaza
504-288-135=181 prajituri au ramas
504-288=216
[tex] \frac{5}{8}din216= \frac{5}{8}* \frac{216}{1} =135 [/tex]prajituri s-au vandut dupa-amiaza
504-288-135=181 prajituri au ramas