There are 350 red flowers in a room. there are 70 more yellow flowers than red flowers. there are 140 fewer white flowers than yellow flowers. what is the ratio of the number of red flowers to the yellow flowers to the white flowers?

350:700

Step-by-step explanation:

so you know there are 350 red flowers in a room and There are 70 more yellow flowers than red flowers. so you do 350+70+420= yellow and you know here are 140 fewer white flowers than yellow flowers so you do          420 - 140 = 280 = white so you do 420 + 280= 700 so you get  350:700