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Vikentia [17]
3 years ago
9

Chris and lisa went shopping and spent a total of $25.50. Lisa spent $13.50 more than chris spent. Hiw much did lisa spend?

Mathematics
1 answer:
baherus [9]3 years ago
5 0

Answer:

12$

Step-by-step explanation:

$25.50-$13.50=$12

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What weight of dry substance is in 50g of a 3% substance solution? What weight of an 8% solution can we have with the same weigh
Gnoma [55]

Answer:

4.5 g 56.25 g Since the only type of measurement mentioned in this question is weight or mass, I'll assume that the percentage concentration is % m/m (mass/mass). For that type of concentration measurement, simply multiple the percentage by the total mass to get the mass of the desired substance. So 150 g * 3% = 150 g * 0.03 = 4.5g For the amount of 8% solution with the same amount of dry substance, there's 2 ways of calculating the mass of solution. First, use the ratio of percentages, multiplied by the mass of the original solution to get the desired amount of new solution: 3/8 * 150 g = 56.35 g Or calculate it from scratch, like 4.5/X = 8/100 450/X = 8 450 = 8X 56.25 = X In both cases, the result is that you desire 56.25 grams of 8% solution.

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3 years ago
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antiseptic1488 [7]

Answer:

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Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Each lenght is in metres Calculate DC​
Gnom [1K]

Step-by-step explanation:

ED is greater than BC

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then u have a triangle. EX, XB and EB.

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since XB and DC are parallel ( a rectangle is forming XBCD) so DC is also 14.97

6 0
3 years ago
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Answer:

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Step-by-step explanation:

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3 years ago
Help find DC Please
Ymorist [56]

Answer:

Step-by-step explanation:

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