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# Maria bought a new cell phone, cell phone case, and wall cha

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Maria bought a new cell phone, cell phone case, and wall cha [#permalink]  23 Mar 2020, 10:09
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Maria bought a new cell phone, cell phone case, and wall charger. The cell phone cost $149.99, the case cost$ 24.99, and the wall charger cost $29.99. If tax on each of these items was 9.5%, which of the following is closest to the amount Maria spent? A.$ 175

B. $200 C.$ 210

D. $224 E.$ 250
[Reveal] Spoiler: OA

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Re: Maria bought a new cell phone, cell phone case, and wall cha [#permalink]  07 Jun 2020, 03:49
Total Price paid by Maria without tax = the cell phone cost + the case cost + the wall charger cost
= $149.99 +$ 24.99 + $29.99 Since it is an approximation question so we can approximate the values to the nearest integer to get Total Price paid by Maria without tax =$ 150 + $25 +$ 30 = $205 Tax = 9.5% So Total price = Price + 9.5*price = price ( 1 + 9.5%) = price * (1 + $$\frac{9.5}{100}$$) = price * 1.095 =$ 205 * 1.095 ~ 224

Hope it helps!
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Re: Maria bought a new cell phone, cell phone case, and wall cha   [#permalink] 07 Jun 2020, 03:49
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