a sauce recipe calls for $\frac{3}{4}$ cup of...
a sauce recipe calls for $\frac{3}{4}$ cup of chicken broth. to make enough sauce for a party, marcy needs to triple the recipe. $\frac{3}{4}(3)=(\frac{3}{4})(\frac{3}{1})$ she estimates that the tripled recipe will need cups of chicken broth. the exact amount of chicken broth needed is cups.
Answer
# Explanation:
## Step1: Rewrite 3 as a fraction
We rewrite 3 as $\frac{3}{1}$ to multiply with $\frac{3}{4}$. So we have $\frac{3}{4}\times3=\frac{3}{4}\times\frac{3}{1}$.
## Step2: Multiply the fractions
When multiplying fractions, we multiply the numerators together and the denominators together. So $\frac{3}{4}\times\frac{3}{1}=\frac{3\times3}{4\times1}=\frac{9}{4}$.
## Step3: Convert to a mixed - number
$\frac{9}{4}=2\frac{1}{4}$
# Answer:
Estimation: We can estimate $\frac{3}{4}\times3$. Since $\frac{3}{4}\approx1$, then $1\times3 = 3$.
Exact amount: $2\frac{1}{4}$
So the estimated amount is 3 cups and the exact amount is $2\frac{1}{4}$ cups.