Question

I am having trouble with this math Mixture problem.

shirley has a quantity of yellow tulip bulbs worth .10 cents each, pink tulip bulbs worth .20 cents each and red tulip bulbs worth .25 cents each. In her total collection of bulbs, there are five more pink bulbs than yellow bulbs and twice as many red bulbs as the sum of the other two kinds. if the bulbs altogether are worth $133.50 how many of each kind does shirley have.

Answer 1

p = y+5
r = 2(p+y)
10y+20p+25r = 13350

Answer 2

100 yellow, 105 pink, and 410 red. Thank you so much this really help