The ratios are equivalent because 30 * 4 is 120 and 12 * 4 is 48
Answer:
b=12
Step-by-step explanation:
3b +24= b +48
-24 -24
3b = b+ 24
-b -b
2b = 24
÷2 ÷2
b=12
Answer:240 rotations
Step-by-step explanation: 1 rotation/45 seconds * 60 seconds / minute * 60 minutes / hour * 3 hours = 3600*3/45 = 240 rotations
Answer:
We can't really see the choices.
Step-by-step explanation:
The fact that the healthy school lunch has a higher price than the current lunch means that it has a <u>higher economic cost.</u>
<h3>What is an economic cost?</h3><h3 />
An economic cost in this scenario, is the increased cost that comes with a commodity having greater perceived value.
A healthy school lunch will help a person stay healthy which is why it has more value than the current lunch. This is the reason for its higher price.
Find out more on economic cost at brainly.com/question/902188.
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