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maks197457 [2]
4 years ago
10

Aiden is grocery shopping and wants to know which packages are cheapest. He is

Mathematics
1 answer:
arlik [135]4 years ago
7 0

Answer:Bottle B

Step-by-step explanation:

Given

Bottle A has 175 fluid ounce and cost \$19.25

So it cost \frac{175}{19.25}=9.09\ \text{ounce per}\ \$

Bottle B has 138 fluid ounce and cost \$8.97

So it cost \frac{138}{8.97}=15.38\ \text{ounce per}\ \$

Bottle C has 100 fluid ounce and cost \$8.0

So it cost \frac{100}{8}=12.5\ \text{ounce per}\ \$

Bottle D has 72 fluid ounce and cost \$7.56

So it cost \frac{72}{7.56}=9.52\ \text{ounce per}\ \$

So, Bottle B delivers more ounces at same price

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Here, we are required to determine after how many minutes will the two substances be at the same temperature.

The equation of when the two substances will be at the same temperature and the solution are as follows;

(a) The equation is 96.2 + 1.5(x) = 98.5 + 0.8(x).

(b) The solution is, x = 3.285minutes.

For substance A which is currently at 96.2° and rising at 1.5° each minute; It's temperature after x minutes is given as;

  • T(a) = 96.2 + 1.5(x)

For substance B which is currently at 98.5° and rising at 0.8° each minute; It's temperature after x minutes is given as;

  • T(b) = 98.5 + 0.8(x)

(a) For the two substances to be at the same temperature; T(a) must be equal to T(b).

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The equation is therefore;.

96.2 + 1.5(x) = 98.5 + 0.8(x)

(b) To determine the solution;

1.5x - 0.8x = 98.5 - 96.2

0.7x = 2.3

x = 2.3/0.7

x = 3.285minutes.

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2 years ago
What is the answer show work -15 + n = -27
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<span>-15 + n = -27
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Answer:

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Step-by-step explanation:

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