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kotegsom [21]
2 years ago
5

Emanuel and Zachary are trying to reduce the amount of television they watch. For every hour they watch television, they have to

put $2.50 into savings. The table shows how many hours of television Emanuel and Zachary have watched in the past two months.
Hours watched in January Hours watched in February
Emanuel 35.4 18.2
Zachary 21.8 26.6


Zachary wants to use his total savings at the end of February to buy concert tickets. If the tickets cost $17.50 each, how many can he buy?

Group of answer choices
Mathematics
1 answer:
hichkok12 [17]2 years ago
8 0

Answer:

You can buy 6 tickets.

Step-by-step explanation:

21.8 + 26.6 = 48.4

48.4 x 2.50 = 121

121 / 17.50 = 6.914

Since we can't round here because it's items you're buying, we round down to the nearest flat number, which in this case is 6.

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3 years ago
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A company has a budget of $280,000 for computing equipment. Tablets cost $500 each, laptops cost $2000 each, and servers cost $5
Kazeer [188]

Answer:

The number of tablets  200

the number of laptops  40

and, the number of servers 20

Step-by-step explanation:

Let the number of tablets be 'x'

the number of laptops be 'y'

and, the number of servers be 'z'

According to the given question

Total budget = $280,000

Tablets cost = $500 each

laptops cost = $2000 each

servers cost = $5000 each

Thus,

500x + 2000y + 5000z = 280,000 ..............(1)

also,

x = 5y  ................(2)

and,

y = 2z  

or

z = \frac{\textup{y}}{\textup{2}}   ............(3)

substituting y from 2 and 3 in equation 1,  we get

(500 × 5y) + (2000 × y) + (5000 × \frac{\textup{y}}{\textup{2}} ) = 280,000

or

2500y + 2000y + 2500y = 280,000

or

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or

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substituting y in equation 2, we get

x = 5 × 40 = 200

substituting y in equation 3 we get

z = \frac{\textup{40}}{\textup{2}}

or

z = 20

hence,

the number of tablets  200

the number of laptops  40

and, the number of servers 20

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Answer:

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Step-by-step explanation:

Among these answer choices, you're looking for two expressions separated by a minus sign. Choice 2 is only one expression, so does not meet the required criterion.

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