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Colt1911 [192]
3 years ago
11

A ladder is 9 feet 10 inches tall. How tall is it in inches?

Mathematics
1 answer:
Charra [1.4K]3 years ago
3 0
12 inches in a foot
9x12=108 inches
108 + 10 = 118 inches
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Step-by-step explanation:

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Fleece vests regularly priced at $15.99 are on sale for $13.99. If the sales tax is 5%, how much can you save by buying the vest
Marysya12 [62]

Saving of $2.10 is made by buying fleece vest on sale.

<u>Solution:</u>

Given that regular price of fleece vest = $15.99

And sale price of fleece vest = $13.99

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When we buy at regular price, total amount including sales tax which needs to be paid is:

\mathrm{A}_{\mathrm{R}} = 15.99 + 5% of 15.99

\begin{array}{l}{\mathrm{A}_{\mathrm{R}}=15.99+5 \times \frac{15.99}{100}} \\\\ {\mathrm{A}_{\mathrm{R}}=15.99\left(\frac{105}{100}\right)=15.99 \times 1.05}\end{array}

When buy at sales price, total amount including sales tax which needs to be paid that is

\begin{array}{l}{\mathrm{A}_{\mathrm{S}}=13.99+5 \% \text { of } 13.99} \\\\ {\mathrm{A}_{\mathrm{S}}=13.99+5 \times \frac{13.99}{100}} \\\\ {\mathrm{A}_{\mathrm{S}}=13.99\left(1+\frac{5}{100}\right)} \\\\ {\mathrm{A}_{\mathrm{S}}=13.99\left(\frac{105}{100}\right)=13.99 \times 1.05}\end{array}

\text { Saving made }=\mathrm{A}_{\mathrm{R}}-\mathrm{A}_{\mathrm{S}}

\begin{array}{l}{=(15.99 \times 1.05)-(13.99 \times 1.05)} \\\\ {=1.05(15.99-13.99)} \\\\ {=1.05 \times 2=\$ 2.10}\end{array}

Hence saving of $2.10 is made by buying fleece vest on sale.

7 0
3 years ago
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