Gina has 90 meters of yarn.She uses 4 1/2 meters of yarn for every box she makes.How many boxes can she make from the yarn? 1.Wh
1 answer:
Answer:
1) The problem asks for the number of boxes than can be made from the yarn.
2) There are two facts: (i) Gina has 90 meters of yarn, (ii) Gina uses 4 1/2 meters of yarn for every box she makes.
3) We need to divide the total length of yarn by the length used to produce a box.
4) 20 boxes.
5) Gina can make 20 boxes from 90 meters of yarn.
Step-by-step explanation:
1) <em>What is asked?</em>
R/ The problem asks for the number of boxes than can be made from the yarn.
2) <em>What are the given facts?</em>
R/ There are two facts: (i) Gina has 90 meters of yarn, (ii) Gina uses 4 1/2 meters of yarn for every box she makes.
3) <em>What is the operation to be used?</em>
R/ We need to divide the total length of yarn by the length used to produce a box.
4) <em>What is the number sentence?</em>
R/ 20 boxes.
5) <em>What is the complete answer?</em>
R/ Gina can make 20 boxes from 90 meters of yarn.
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Answer: 0.025
Step-by-step explanation:
Given : A statistics professor plans classes so carefully that the lengths of her classes are uniformly distributed between the interval [48.0 minutes, 58.0 minutes].
The probability density function :-
Now, the probability that a given class period runs between 50.25 and 50.5 minutes is given by :-
Hence, the probability that a given class period runs between 50.25 and 50.5 minutes =0.025
Similarly , the probability of selecting a class that runs between 50.25 and 50.5 minutes = 0.025
First lets remove the initial fee
150 is how much she is charging you per hour.
If each hour is 55, lets divide 150 by 55.
She charged you for 2.7 hours (almost 3) of service
150 is how much she is charging you per hour.
If each hour is 55, lets divide 150 by 55.
She charged you for 2.7 hours (almost 3) of service