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andreimru123123
18.04.2020 •
Mathematics
For a community service project, of the students in a class bring paper towels 3/4 2/5 of the students bring towels and soap What fraction of the students who bring paper towels also bring soap ? es
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Ответ:
Step-by-step explanation:
For a community service project, the no of the students in a class bring paper towels =![\frac{3}{4}](/tpl/images/0610/1139/f11e3.png)
The students bring towels and soap =![\frac{2}{5}](/tpl/images/0610/1139/c236b.png)
The students who bring paper towels =![\frac{3}{4}](/tpl/images/0610/1139/f11e3.png)
The fraction of students who bring paper towels also bring soap =![\frac{2}{5}](/tpl/images/0610/1139/c236b.png)
Ответ:
A) 20 in
B) 26 in and it got bigger by 1.3 times
C) 40 in and it got bigger by 2 times
Step-by-step explanation:
A) so the formula for finding perimeter is P= 2(L+W) so its (3+7)*2 = 20
B) if you double 3, 3*2=6 then it is 2*(6+7) = 26. 26/20= 13/20= 1.3 times more
C) if you double 3, 3*2=6 and 7, 7*2= 14 then it is (14+6)*2 = 40. 40/20=2/1 = 2 times more.
Also i couldnt solve D for you but try to solve it using what I wrote below.
Hope it helps :)