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NEED HELP ASAP WILL MARK BRAINLIEST AND WILL PUT LOTS OF POINTS
A mixture of paint calls for 1/3 cups of red paint and 3/4 cups of yellow paint. If there were 4 cups of red paint added to the mixture, how many cups of yellow paint would need to be added to keep a constant rate of proportionality? (Hint: You can use your answer from the first question to help you solve this!)
Answer format: ___ cups of yellow paint (in simplest form)

Respuesta :

wegnerkolmp2741o

Answer:

9 cups

Step-by-step explanation:

We can use ratios to solve

1/3 cup red             4 cups red

----------------- =  -------------------

3/4 cup yellow        x cups yellow

Using cross products

1/3 *x = 3/4 *4

1/3x = 3

Multiply each side by 3

1/3 x * 3 = 3 * 3

x = 9

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