The right answer is Option C: 20
Step-by-step explanation:
Given,
Cost of medium cup of coffee = $3.00
Cost of large cup of coffee = $4.00
Total cups sold = 35
Total revenue for the coffee = $125.00
Let,
Number of medium cups of coffee = x
Number of large cups of coffee = y
According to given statement;
x+y=35 Eqn 1
3.00x+4.00y=125.00 Eqn 2
Multiplying Eqn 1 by 3;
Subtracting Eqn 3 from Eqn 2
As y represents the number of large cups, therefore,
20 large cups of coffee were sold by the shop.
The right answer is Option C: 20
Keywords: linear equation, subtraction
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Answer:
Susie has a credit less than 64 dollars.
OD.
Step-by-step explanation:
Answer:
- 4 2/3 pounds of cereal Y; none of cereal X
- $37.33 is the minimum cost
Step-by-step explanation:
The quantity of vitamin A in the food is ...
10X +30Y ≥ 140
and vitamin B ...
20X +50Y ≥ 140
The cost, which we want to minimize is ...
12X +8Y
__
A graph shows that any diet meeting the requirement for vitamin A will also meet the requirement for vitamin B. Vitamin A in the form of cereal X costs ...
$12/(10 mg) = $1.20/mg
In the form of cereal Y, it costs ...
$8/(30 mg) ≈ $0.27/mg
So, cost is minimized by satisfying the vitamin requirements using cereal Y exclusively. That cost is $37.33 for 4 2/3 pounds of cereal Y only.
The author of Passage 1 indicates that becoming adept at using the Internet can undermine the ability to think deeply.
<h3>
What according to the author, becoming adept at using the Internet can cause?</h3>
Passage 1's author cites Patricia Greenfield's study, which discovered that people's use of screen-based technologies harmed their ability to acquire knowledge, perform "inductive analysis" and "critical thinking," and be imaginative and reflective.
The author of Passage 1 concludes that people's ability to think "deeply" is hampered by their use of screen-based technologies.
Option A, C, and D are incorrect because the author of Passage 1 does not address how people's health, social contacts, or self-confidence are affected by using the Internet.
The author of Passage 1 suggests that becoming proficient with the Internet can impair one's ability to think deeply.
Therefore, the correct answer is option B) undermine the ability to think deeply.
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You can take two pieces of tape of the same size and divide the first one into 3 and color in 2 boxes. On the second piece divide it into two and color one box. Put the two pieces of tape next to each other and write down data. Hope this helps
