20238
Question
Lily has $12 to buy batteries for her torch.
Each battery costs $2.40 and Lily buys 4 batteries.
Which expression shows how much money she has left?
Worked Solution
Money left = {{{correctAnswer}}}
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eAoeAXNz7m9DN+Ey6jEJpXEKixGIcanZ06C5uOc/xnlu8oyFzxHDc7wuhSJoG7HMGFNJmT+tXKBMrQHtEs5Am9EKC/Fn/LwYEfZjFEjjHA80iX4BVGvlm1MXD4D4FupGUq+/tRCvWLeh8YtfpjJxDGeNYQ3C02tvUoODgc0inq0TjC3PypZoTsqEK/oefim1UkCZmyrhoqhCMBkKLv5sNqlj2Aw0x/8ZSe6DqdB6Hnwz+B01Dyn62vtYltRwuoxRbFF6fdyKBIV++adG1Esye8452Vdr649pmvFdPmtCz/7/2wouyMizXWflYdDJOQ+5aorl51P45L4e5p5SA0PQLcHgswDyAGw5xGPmU5xX1VaFuDmisN3eDUuvbMLhpuP/dunXsCl+xXDv5XxUrT6TjRkqI6QzXaPz++04wCoqIOHlLeUDfIruIYW2RIguc/o8ScK6ygQjIMuhDIAqUUwOhzNyQZH2+b+TE2RIZo7YKH+/OC8WCq/f54Oa7cWx1Bjpglpf+G1YBA1tk4XwSf68vvEhGJHNJzjX9EeGf0QgvlRPm4epFFUU1TOFRJXYCTuXPLsOetCvAIA6fdgCBYTlWIR9ngFsow5EBJ/j7FtNu38Ki/RqBdSFV+IAaIpM+TXOzc532pyd34BCoX/zMTkLzpaoWEsunLSA0ZsPAz9Bdk/3JjogI4pFTzWDg5YjwPlYa3Y0A03ZGMJ/h53RooiZUN9V/1JN3NLVAgNe1l7KMrUydgyPuC277NiFLXW84YdWFfBZp45/ZEJd0VGALAF9gOJk7934XRW6UZwVdtQ/KwZAv/s0N7P0JShWAplAAGMr2kqfP33+mwYzCvnzOK5Y7JgLd2MUemqnJqNR3iWDrhpI5itqU9zmp6VlJiarAslJjfl3vt9dci7Z5Xnvxx8BJf8dDAcszyR1qM19+IEnej7EVFzE4ykRgsgDfGqNwSRZk7OAdolpT8SIzAyTuq2V/r5jvwtUI8qJw2pNuTZYGmFk96p/QFlTNMvsHLrsNZRxUHg6Y76pDSARWSMm4sEdyK/TE5Ril8mRRApAd6CztrYN2icD2j86aNt2vqOJhOMDVVk+joqDODB9rtrXki0uvcSyqpgLpCS7pYmhrmZ+PS9TnC8/DLbp16hmVXYYigJjmUbDpR/UWMfoj6AUKT5cg7IeGhYrlskob5zqsUOZ8+nUPDH56VKNspa6wl2E6Rz6BmbNIasl7P8u81DiFkHd6vxroloslVy/+7o=
Variant 0
DifficultyLevel
488
Question
Lily has $12 to buy batteries for her torch.
Each battery costs $2.40 and Lily buys 4 batteries.
Which expression shows how much money she has left?
Worked Solution
Money left = $12 − (4 × $2.40)
Question Type
Multiple Choice (One Answer)
Variables
| Variable name | Variable value |
| correctAnswer | \$12 $-$ (4 $\times$ \$2.40) |
Answers
| Is Correct? | Answer |
| x | 4 × ($12 − $2.40) |
| x | $12 − $2.40 + $2.40 + $2.40 + $2.40 |
| x | |
| ✓ | $12 − (4 × $2.40) |