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PROBLEM SOLVING 204

[one] Sue bakes a batch of biscuits. A batch of her biscuits is 20. She eats one quarter of this first batch. She then cooks another 2 batches. How many biscuits does she now have? Hint

[two] Volleyball team t-shirts cost $7 each. A school buys 34 of them. How much did the school spend? Hint

[three] Booley High School spent $364.00 on t-shirts. If each t-shirt cost $7.00, how many t-shirts did this school buy? Hint

[four] Ellis could write 23 words every minute. How many words could he write in 9 minutes? Hint

[five] Lydia spent $123.00 in one week and $162.00 the next week. How much MORE did she spend the second week than she did in the first? Hint

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This is best solved by using multiplication.
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$123 - $162 = answer
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This problem is best set out like this: 36 4 = answer
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Use multiplication.
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$364 $7 = answer
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23 x 9 = answer
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This problem can be set out like this: 15 + 40 = answer
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Use subtraction.
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To find out one quarter (1/4) of a number, you divide that number by 4.
For this problem, one (1) batch of biscuits = 20 biscuits.
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34 x $7 = answer
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One quarter (1/4) of 20 = 5, so after Sue ate a quarter of the first batch, there were 15 biscuits left.
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Sue baked another 2 batches of biscuits. This is a total of another 40 biscuits which must be added to the number of biscuits left over from the first batch (15 biscuits).
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