Common-Core/ Grade 7
Maths MCQ Based On Sale prices
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Common-Core Grade 7 - 7 Sale prices
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Here, Percent (%) means ''rate per 100.'' i.e.15% is 15 per 100 or \\({30 \\over 100} \\)
The steps to work out the sales price:
1) Find the value of the discount in $.
The discount is 15% of the original price
therefore, discount = \\({30 \\over 100} \\times 70\\)
then, add the discount to the sale price.
multiply
Multiply and subtract
multiply and subtract
Subtract
Here, Percent (%) means ''rate per 100.'' i.e.30% is 30 per 100 or \\({30 \\over 100}\\)
The steps to work out the sales price:
1) Find the value of the discount in $.
The discount is 30% of the original price
therefore, discount = \\({30\\over 100} \\times 120\\)
then, subtract the discount from the original price.
Here, Percent (%) means ''rate per 100.'' i.e.50% is 50 per 100 or \\({50 \\over 100} \\)
The steps to work out the sales price:
1) Find the value of the discount in $.
The discount is 40% of the original price
therefore, discount = \\({50 \\over 100} \\times 75\\)
then, add the discount to the sale price.
Subtract
Multiply and divide
Here, Percent (%) means ''rate per 100.'' i.e.50% is 50 per 100 or \\({50 \\over 100} \\)
The steps to work out the sales price:
1) Find the value of the discount in $.
The discount is 50% of the original price
therefore, discount = \\({50 \\over 100} \\times 25\\)
then, add the discount to the sale price.
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