Ky743980idn
Answered

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pls help me i will make u brainest

Lara is playing a video game where she hunts for treasure, like these gems:


A sapphire is worth 5 gold coins, and a ruby is worth 8 gold coins.

On her last hunt, Lara found 17 gems, all either rubies or sapphires, and sold them for 100 coins. How many sapphires did she find?

Sagot :

Ian2006huangidn

Answer:

12 sapphires

Step-by-step explanation:

Let's call the number of sapphires x. This means the number of rubies is the total number of gems minus x, or 17-x.

# of Sapphires: x

# of Rubies:17-x

A sapphire is worth 5 (gold coins) each, and a ruby is worth 8.

We also know the total amount of money is 100 coins, so

5*x+8*(17-x)=100

5x+136-8x=100

-3x=-36

x=12

Remember:

# of Sapphires: x

# of Rubies:17-x

...so Lara found 12 sapphires and 17-12=5 rubies.
The number 5 becaus eid the cold and yea no
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