Problema Solution

Liza arrange 66 roses in 7vases.some vases had only 6 red roses and others had only 12 pink roses.how many vases had red roses only

Answer provided by our tutors

Let

x = the number of vases with red roses only 

y = the number of vases with pink roses only

x + y = 7 

6x + 12y = 66

........

click here to see the system of equations solved for x and y

........

x = 3 vases with red roses

y = 4 vases with pink roses

3 vases had red roses only.