Question

Alisha has £24 to spend on notebooks. she buys 3 notebooks and has £12 left over . if each notebook costs n pounds, write an expression for the cost of three notebooks

Answer 1

24-12= 3n

if she had 12 pounds left over, then what she originally had minus 12 would give the amount she spent. If you divide that number by 3, you'll get what each notebook cost