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Sliva [168]
2 years ago
10

The principal observes 8th grade the following day. Of the 120 students, 42 brought their lunch from home, 72 purchased lunches,

and 6 brought a lunch from home and purchased an ice cream. Explain how the principal could use the numbers from 7th grade to predict the 8th grade possibilities.
Mathematics
1 answer:
algol [13]2 years ago
6 0

Answer:

a ; 24

Apoximenly the same as 8th grade.

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Harrizon [31]
Hello!

so we have a total weight of 5.1kg and we are told that each penny weighs 2.5g.

so we need to convert either one to the same units first. we know there are 1000g in 1kg so 2.5g=0.0025kg now we have both in the units of kg, so we can just take 5.1kg/0.0025kg=2040 pennies in the bag. 

we can check ourselves here by taking 2040 * 2.5g and we get 5100grams which equals 5.1kg  

hope this helps. any questions please just ask. thank you kindly
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