This task is about adding and subtracting decimal numbers.
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Lachlan and Sarai collect old CDs and DVDs. They buy them from Megahits Music Store.
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Megahits Store increases the price of DVDs by $0.70 but reduces CDs by $1.30.
Sarai plans to buy 7 DVDs and 4 CDs.
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i) Would Sarai have to pay more for her DVDs and CDs before or after the price changes?
Before / After (Circle one)
Working
ii) What will the difference in price be? $__________ |