90 - 53.45 = 36.55
36.55 / 7.31 = 5 pounds of coffee
Answer:
count the colors
Step-by-step explanation:
count the green, then the red, then the blue
First put them into improper fractions which are 77/19 and 31/21, then multiply 77 and 31 and get 2387, and multiply the denominators 19 and 21 which is 399. Then u can put it into a simplified fraction of u wnat