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sineoko [7]
3 years ago
10

5(t+3)+2(3t+4)-(5t-3)

Mathematics
2 answers:
SVETLANKA909090 [29]3 years ago
7 0
<span>5(t+3)+2(3t+4)-(5t-3)

5t+15 + 6t + 8 - 5t - 3
5t                    - 5t = 0
     15        +8        -3
6t + 20 or
2(3t +10)</span>
maksim [4K]3 years ago
7 0
5t+15+6t+8-5t+3
combine same terms
5t+6t-5t+8+3
plus 5t will cancel -5t
now 6t+11
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A box of oat cereal costs $3.90 for 15 ounces. A box of rice of cereal costs $3.30 for 11 ounces. Which box of cereal costs less
Firlakuza [10]

Answer:

The cost of per ounce of oat cereal is $0.04 less than per ounce cost of rice.

Step-by-step explanation:

Given:

Cost of 15 ounces of oat cereal box = $3.90

Cost of 11 ounces of rice box = $3.30

To compare the unit prices of the the boxes.

Solution:

Using unitary method to find the unit prices:

If 15 ounce of oat box cost =$3.90

∴ 1 ounce of oat cereal would cost = \$\frac{3.90}{15}=\$0.26

∴ Per ounce cost of oat cereal = $0.26

If 11 ounce of rice box cost =$3.30

∴ 1 ounce of rice would cost = \$\frac{3.30}{11}=\$0.3

∴ Per ounce cost of rice = $0.3

Difference in unit costs of oat and rice = \$0.3-\$0.26=\$0.04

On comparing the the unit costs of oats and rice, we find out that the cost of per ounce of oat cereal is $0.04 less than per ounce cost of rice.

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3 years ago
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time = distance/speed (d/m)
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3 years ago
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