Nicole tried to work out the answer to the following question:"A packet of sweets went down from £6 to £5, what is the percentage change?"She worked it out as follows:In which line of working did Nicole make a mistake?Line 2Line 1Line 3Line 4

Kristen bought a sandwich for $3.85, a bag of chips for $2.10, and a drink for $1.35. The tax was $0.60. She gave the cashier $10.00. How much change should Kristen have received?

Tom needs to know how much money is left to pay on a bank loan.He estimates that there is £13000 left to pay.The actual amount is £10699.Calculate the percentage error in his estimate.

Jeremiah bought a sandwich for $3.80, a bag of crisps for $2.10, and a drink for $1.85. The tax was $0.60. He gave the cashier $10.00. How much change should Jeremiah have received?

price, Jane thinks that she needs to calculate 20% of $198 and add the result to$198. Tim thinks that Jane has it wrong and that the calculation is more complex.Which person do you think is correct? Show working to support your answer.

(a) Rewrite the percentage in the sentence below as a decimal. Decimal:The photographer filled 80% of her memory card with animal pictures.(b) Rewrite the decimal in the sentence below as a percentage. Percent:%The value had decreased to 0.042 of the purchase price.