3 years ago

Johannes needs to buy replacement team uniform..

Mathematics

1 answer:

julsineya [31]3 years ago

6 0

Answer:

Step-by-step explanation:

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An office supply store recently sold a black printer ink cartridge for $17.99 and a color printer ink cartridge for $20.99. At t

UNO [17]

Answer:

40 black ink cartridges and 19 colored ink cartridges

Step-by-step explanation:

Let $b$ represent the number of black printer ink cartridges sold. Let $c$ represent the number of color printer ink cartridges sold.

Set up a system of equations:

$\displaystyle\\\begin{cases}b+c=59\\17.99b+20.99c=1,118.41\end{cases}$

$b+c=59\implies b=59-c$

Substitute:

$\displaystyle\\17.99(59-c)+20.99c=1,118.41\\\implies c=\boxed{19}$

$\implies b+19=59\implies b=\boxed{40}$

⇒ 40 black ink cartridges, 19 colored ink cartridges (ans)

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2 years ago

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3 years ago

Help please!Gary attended a Halloween Carnival last night. He paid $8 for admission and went on 15 carnival rides.

dusya [7]

Answer:

3.9

Step-by-step explanation: divide when he went for addimition 8 dollars 15 carnival's and total of 31.25 . 31.25/15

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3 years ago

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Evgesh-ka [11]

Answer:

Irrational: √2 = 1.4

Step-by-step explanation:

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3 years ago

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-Dominant- [34]

Answer:

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Step-by-step explanation:

1/5 / 15/4 = 1/5 * 4 / 15 = 4/60 = 1/15

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