Question

La un concurs de sarituri in inaltime ,Danut,Andrei si Vlad au sarit împreuna 615cm .Danut a sarit o treime din total,Vlad a sarit cu 7 cm mai putin,iar Andrei restul.Cat a sarit Andrei?URGENT

Answer 1

Danut=615:3=205
Vlad=205-7=198
Danut+Vlad=205+198=403
Andrei=615-403=212

Answer 2

$1. \ \ Cat\ \ a\ \ sarit\ \ Danut\ \ ? \\ \\ \frac{1}{3} din 615=615:3*1=205\ \ cm \\ \\ 2. \ \ Cat\ \ a\ \ sarit\ \ Vlad ? \\ \\ 205-7=198\ \ cm \\ \\ 3.\ \ Cat \ \ a\ \ sarit\ \ Andrei ? \\ \\ 615-205-198=212\ \ cm$