There are 249 flowers, arranged by 5 red, 9 yellow and 13 green. What color is the last one? You don't need equations, you need formulas

There are 249 flowers, arranged by 5 red, 9 yellow and 13 green. What color is the last one? You don't need equations, you need formulas

Using remainder to solve this kind of problem, 5 red flowers, 9 yellow flowers and 13 green flowers are regarded as a group
249 ÷ (5 + 9 + 13) = 9 (Group) ··· 6 (flowers) this step is to find out how many groups there are and how many flowers are left. It is concluded that there are six remaining flowers in 9 groups. Except for 9 groups, the remaining six flowers are: red, red, red, red, red, yellow. The sixth flower is just yellow