3 years ago

Which algebraic expression could represent the phrase below?

Mathematics

2 answers:

borishaifa [10]3 years ago

3 0

Answer:i think is B

Step-by-step explanation:

Nonamiya [84]3 years ago

3 0

Answer:

B. n - 5

Step-by-step explanation:

A number n is decreased by the number 5, making it n - 5.

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Answer:

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3 years ago

Paul bought 18 pins for $90. Jack bought 45 pins for $180. Who bought pins at the lowest cost?

lina2011 [118]

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3 years ago

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3 years ago

University Theater sold 465 tickets for a play. Tickets cost $23 per adult and $13 per senior citizen. If total receipts were $7

liq [111]

<u>Answer:</u>

355 senior citizen tickets were sold.

<u>Step-by-step explanation:</u>

Assuming a to the the ticket of adults and s to be the ticket of senior citizens, we can write two equations as:

$a +s=465$ --- (1)

$23a+13s=7145$ --- (2)

From equation 1, $a=465-s$ .

Substitute $a$ in equation 2 to get:

$23 (465-s) + 13s = 7145$

$10695 - 23s +13s =7145$

$-10s = -3550$

$s = 355$

Therefore, there were 355 senior citizen tickets sold.

8 0

3 years ago