Sandra has some lemon and peppermint sweets in a container. After she adds in 10 lemon sweets, 3/5 of the sweets are peppermint. After she adds in another 30 peppermint sweets, 3/4 of the sweets are peppermint. How many sweets does she have in the container in the end?
How many sweets does sandra have in the container in the end?
Hello Guest!
\(\color{blue}z+p+10=\frac{2}{3}(z+p+10)+z\\ p+10=\frac{2}{3}z+\frac{2}{3}p+\frac{20}{3}\\ \frac{p}{3}=\frac{2z}{3}+\frac{20}{3}\)
\(p=2z+20\)
\( \color{blue}z+p+10+30=\frac{3}{4}(z+p+40)+z\\ p+40=\frac{3}{4}z+\frac{3}{4}p+30\\ \frac{p}{4}=\frac{3}{4}z-10\)
\(p=3z-40 \)
\(2z+20=3z-40\)
\(z=60\)
\(p=2z+20\)
\(p=140\)
\(140+10+30+60=\color{blue}240\ sweets\\ does\ Sandra\ have\ in\ the\ container\ in\ the\ end.\)
!