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DHerls · Answer 1 · 2019-12-06T15:05:14+0000

$- 3.0 \\ - 5.4 \\ = 8.4$
For the first one, you take the original temprature -3.0° and add -5.4° which gives you an answer of -8.4°c :)

$3.00 + 5.50 = 8.50 \\ 8.50 * 7 = 59.50$
for the second you add the amount for breakfast and lunch, then multiply by 7 days

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