Respuesta :
well, he would use 4/4 cup of cranberry juice to equal 1 cup. that is 4x the original amount. so, multiply 1/2 × 4 to equal 2 cups. David would use 2 cups of apple juice for every 1 cup of cranberry juice.
Proportion is the portion of a substance taken. The number of cups of apple juice that David uses for 1 cup of cranberry juice is 2 cups of apple juice.
Ratio and proportion
Proportion is the portion of a substance taken. The ratio of two integers can also be referred to as fractions.
From the question, David uses 1/2 cup of apple juice for every 1/4 cup of cranberry juice to make a fruit drink. This is expressed as:
1/2 cup of apple juice = 1/4 cranberry
For 1 cup of cranberry juice
x cup of apple = 1 cup of cranberry
Take the ratio
1/2x = 1/4
2x = 4
x = 2
Hence the number of cups of apple juice that David uses for 1 cup of cranberry juice is 2 cups of apple juice.
Learn more on ratio and proportion here: https://brainly.com/question/12024093