Wednesday, October 21, 2009

Maths question

1.

1 m of cloth cost $6. Lita bought 2.75m of the cloth. She paid the cashier $50. How much change did she get?


Solution:
2.75 x 6 = 16.50
50 - 16.50 = 50.00 - 16.50
= 33.50

Answer: $33.50

(remember to write the units. Marks will be deducted for wrong units or no units)

2. Ben spent 2/5 of his money on a meal which cost $3. How much had he left with?

Solution:
2 parts --- 3
1 part ---- 3 divide 2 = 1.5

3 parts left
3 parts --- 1.5 x 3 = 4.5

Answer: $4.50 (Remember that money is always given to 2 decimal places unless stated )

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