Which of the lists of letters all have rotational symmetry?
1 answer:
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The answer is: 4.5 cups.
The explanation is shown below:
1. You need 3 cups of milk to make 30 biscuits.
2. Therefore, to solve the exercise you only need to multiply 45 biscuits by 3 cups and divide this by 30 biscuits.
3. Let's call the cups you will need to make 45 biscuits . Then, you have:
4. Therefore, you will need 4.5 cups to make 45 biscuits.
We have been given the expression
We have the exponent rule
Using this rule, we have
Now, using the fact that , we get
D is the correct option.