Answer:
£16.50
Step-by-step explanation:






15 x 3 = 45 - 5 = 40
The number will be 15.
Hope this helped.
Step-by-step explanation:
To find out how much she spent:
30 - 27.15 = 2.85
Change it to cents:
2.85 x 100 = 285 cents
Calculate how many yards of ribbon she bought:
285 / 19 = 15
Therefore, she bought 15 yard of ribbon.
Answer:
Prime Factors of 72: 2, 3
Step-by-step explanation:
Factors of 72: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36 and 72