Let’s Practise
Calculate: (a) 42.50 × 10
1
(b) 10.72 × 4
(c) 108.06 × 9
2 The cost of a music streaming service is $12.50 a month. How much is the cost over 1 year?
3 Riana is saving up for a phone. She saves $17.25 a week for 9 weeks. How much has she saved?
E
You have $55 to spend on presents.
$14.25
(a) Explore different ways of spending the money. (b) For each answer to (a) , calculate how much change you will receive.
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