## Exam Style Question## Worked solutions to typical exam type questions that you can reveal gradually |

Question id: 312. This question is similar to one that appeared in a GCSE Higher paper in 2017. The use of a calculator is allowed.

Winky Lash wants to invest £20 000 for 3 years in a bank. She has the following two choices of banks, both offering compound interest but on different terms:

## Leftway Bank1% AER |
::-:: | ## Righton Bank2.1% for the first year |

Which bank will give Winky the most interest at the end of the three years?

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