4 years ago

Ratio explain meaning of two over one

1 answer:

3 0

for every 2 of a certain thing there is 1 of another thing

example: the pet store has a 2/1 ratio of dogs and cats. so the pet store has 1 cat for every 2 dogs. so for example, if there were 30 dogs there would be 15 cats

hope this answered your question! have a good day :)

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your friend rent 10chairs and 2 tables for $300. another friend rent 8 chairs and 4 tables for $360 you want to rent 12 chairs a

Grace [21]

$x-\ cost\ of\ renting\ chair\\
y-\ cost\ of\ renting\ table\\\\
 \left \{ {{10x+2y=300\ \ \ \ \ \ \ \ \ \ \ \ } \atop {8x+4y=360\ \ \ | divide\ by\ -2}} \right. \\\\
 \left \{ {{10x+2y=300} \atop {-4x-2y=-180}} \right. \\\\+----\\addition\\\\\
6x=120\ \ \ | divide\ by\ 6\\\\
x=20\\\\
y=\frac{300-10x}{2}=150-5x=150-5*20=150-100=50\\\\
12x+3y=12*20+3*50=240+150=390\\\\
I\ am\ expected\ to\ pay\ 390\$$