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PROBLEM SOLVING 051

[one] Johnny does many little jobs around the house to help his parents and to earn some pocket-money. He receives $9.00 each week in pocket-money. After 8 weeks, how much money does he have? Hint

[two] Mary works three days every week at a local Kohanga Reo. How many days does she work in 7 weeks? Hint

[three] Talia enjoys swimming and she practises 3 hours every day after school. How many hours does Talia practise swimming in a fortnight? Hint

[four] Robin Hood made up a Robbing Schedule for his Merry Men to follow. Robin's new schedule said that they would rob 5 people every day. No more and no less. How many people would they rob in a fortnight? Hint

[five] Frieda's cows each give 4 litres of milk every day. If Frieda has 35 cows, how much milk does Frieda get each day? Hint

Another hint

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This problem is best expressed like this: 3 (days/ week) x 7 (weeks) = answer

Or:

3 x 7

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The problem can be expressed like this: 15 x 2 = answer
Or:

15 x 2

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Don't forget: one fortnight = 14 days.

Another hint

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A "fortnight" is two weeks. So, remembering our first hint, we can solve the problem by expressing it like this:
3 hours x 1 school week = 3 hours x 5 school days = 15 hours. So...
15 hours x 2 weeks = answer.

Another hint

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This problem is best set out like this: 5 (robberies/ day) x 14 (days) = answer

Which means: 5 x 14 = answer, or

14 x 5

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This problem is best set out like this: 4 (litres/ day) x 35 (cows) = answer

Which means: 4 x 35 = answer, or:

35 x 4

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The best way to express this problem is like this: $9 x 8 (weeks) = answer

Which means: 9 x 8 = answer, or:

9 x 8

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5 eggs x 7 days looks like this: 5 x 7 = answer

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