emmapizano
30.11.2020 •
Mathematics
in the library, there are 9 rectangular tables with 8 pupils each and square tables with 4 pupils each. how many square tables ar needed so that 100 pupils can read at the same time?
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Ответ:
9 rectangular tables and 7 sqaure tables
Step-by-step explanation:
9 x 8 = 72
100-72=28
4x7=28
Ответ:
look below
Step-by-step explanation:
the number that are less than 0 are negative numbers so if s is less than 0 the numbers will be negative