Question

Keith buys 6 pencils for 90p

how much does one pencil cost?
how much would five pencils cost
how much would eleven cost ?

Answer 1

15p per pencil for 6 pencils
75p for 5 pencils
1.65 for 11 pencils

Answer 2

1 Pencil = 15p

5 Pencils = 75p

11 Pencils = 165p --> £1.65

Explanation:

To find one pencil... 90 / 6 = 15

To find 5 pencils... 15 (worth 1 pencil) * 5 = 75

To find 11 pencils... 15 (worth 1 pencil) * 11 = 165 which is £1.65