Answer: 540
Step-by-step explanation: hope this helped
She is buying 4 paint tubes. 4 x 8.5 = 34. 34 - 20 = 14, which is less than 54.
2n + 1
the number before n is the difference (what it goes up in), and the second is the ‘zeroth’ term: you take away the 2 you got from the first value, 3, and get 1 :)
multiply the number by show in the diagram and you need to think that your number to multiply them till you get your answer