Sandra is selling red and yellow roses. On the first day she sold 4 red roses and 1 yellow rose for a total of $7. On the second day she sold 3 red roses and 1
Mathematics
squishycomeon
Question
Sandra is selling red and yellow roses. On the first day she sold 4 red roses and 1 yellow rose for a total of $7. On the second day she sold 3 red roses and 1 yellow rose for a total of $6. What was the price of the two types of roses?
USE THE SUBSTITUTION METHOD PLEAAASSEEEE
PLEASSEEE EXPLAIN :)
USE THE SUBSTITUTION METHOD PLEAAASSEEEE
PLEASSEEE EXPLAIN :)
1 Answer

1. User Answers Xander4D
4r +1y =7...eqn 1
3r+1y = 6...eqn 2
Make y subject of formula for eqn 2...
y = 63r...eqn 3
Subst eqn 3 into eqn 1...
4r +63r=7
r =1
Subst r=1 into eqn 3
y = 63=3
Red roses cost $1. each
Yellow roses cost $3 each