cathy and helen were racing each other from the same point and running in the same direction. the distance that cathy runs(in me
ters), for every second t, can be given by A(t)=5t. and the distance in meters that helen runs, for every second t can be given by B(t)=4.5t . what is the distance in meters between them after they have raced 150 seconds? give answer to nearest whole number.
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Question:
Katy makes 48 cookies an hour. If she has 24 already, how long would it take her to make 120?
Answer:
It takes 2.5 hours for Katy to make 120 cookies
Step-by-step explanation:
Given:
Time taken to make 48 cookies = 1 hour
To Find:
Time taken to make 120 cookies = ?
Solution:
Time taken to make 48 cookies = i hour
So now time taken to make 1 cookie =
So time taken to make 120 cookies
= Number of cookies X time taken to make one cookie
=>
=>
=> 2.5 hours