Fifth grade
P.5 Guess-and-check problems DRU
Ivan went to the post office and bought 30...
![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 19.05.2020 05:57, daniellecraig77
Fifth grade
P.5 Guess-and-check problems DRU
Ivan went to the post office and bought 30 stamps. The number of booklets Ivan bought was
7 less than the number of stamps in each booklet. How many booklets did Ivan buy?
booklets
![answer](/tpl/images/cats/otvet.png)
Answers: 3
Other questions on the subject: Mathematics
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Mathematics, 21.06.2019 17:30, kleshead
Colby and jaquan are growing bacteria in an experiment in a laboratory. colby starts with 50 bacteria in his culture and the number of bacteria doubles every 2 hours. jaquan starts with 80 of a different type of bacteria that doubles every 3 hours. let x equal number of days. colbys experiment follows the model: a.) y=50*2^x b.) y=50*2^8x c.) y=50*2^12x jaquans experiment follows the model: a.)80*2^x b.)80*2^8x c.)80*2^12x
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![image](/tpl/images/cats/mat.png)
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