Answer:
3. the proportional relationship is that for every cup of blue paint, you need 5 cups of yellow paint. so the relationship between the yellow and blue paint that keeps it proportional is 5 time the cups of blue paint, is how many cups of yellow paint you need
4. constant of proportionality is 5 because for every cup of blue paint, you need 5 cups of yellow paint:
2 * 5 = 10
1 * 5 = 10
3 * 5 = 10
Step-by-step explanation:
