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17 18 - F-4 Math Review 65
供稿人: Badro
 Round the prices to the nearest dollar. 
Use the rounded prices to estimate the total bill. 

Solve:
Crackers $1.28, 
cheese $8.92, 
jam $3.77, 
butter $9.34.
.
(use notation like 72 not 72.00)
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$
1)
2) 
Solve: 
15 + 2 × (8 – 6) =
100 – 4 × 4 =  
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Eric gave 24 of the cookieshe had baked to a friend and now he has 37 cookies left. How many did he have baked in all?
Solve: 
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Rubber boots used to cost $27.95 but now the price is $21.45. How much is the discount?
Solve: 
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$
Find the missing number:
30,550 = 50 + __________ + 500
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No Commas
Find the change, 
if Sally buys 26 shirts for $14 each, 
and pays with $400.
Solve: 
(use notation like 72 not 72.00) 
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$
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