Joan buys a Math book that costs $ $80$ . There is a $5$ % sales tax on top of that. How much does she pay for the book?

76

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84

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85

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96

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Solution

The correct option is B $84$
Step 1: Find 5% sales tax on $ $80$
$5$ % $= \frac{5}{100}$
$= \frac{1}{20}$
Sales tax $= \frac{1}{20} \times 80$
$=$ $ $4$
Step 2: Add sales tax$ $4$ to $ $80$ to get the amount that $Joan$ pays.
Amount that she pays $= 4 + 80$
$=$ $ $84$

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Joan buys a Math book that costs $80. There is a 5% sales tax on top of that. How much does she pay for the book?

The correct option is B 84Step 1: Find 5% sales tax on $80 5% =5100 =120 Sales tax =120×80 = $4 Step 2: Add sales tax $4 to $80 to get the amount that Joan pays. Amount that she pays =4+80 = $84

Joan buys a Math book that costs $ $80$ . There is a $5$ % sales tax on top of that. How much does she pay for the book?

The correct option is B $84$
Step 1: Find 5% sales tax on $ $80$
$5$ % $= \frac{5}{100}$
$= \frac{1}{20}$
Sales tax $= \frac{1}{20} \times 80$
$=$ $ $4$
Step 2: Add sales tax$ $4$ to $ $80$ to get the amount that $Joan$ pays.
Amount that she pays $= 4 + 80$
$=$ $ $84$