carolinerosewillis
20.08.2019 •
Mathematics
Maria and farida had 250 beads altogether. after maria used 18 beads to make a bracelet and farida gave away 2/5 of her beads, they have the same number of beads left. how many beads did maria have at first?
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Ответ:
m - 18 = ( 3 / 5)f ;
5m / 5 - 90 / 5 = 3f;
5m - 90 = 3f ;
5m - 3f = 90;
But, f = 250 - m;
5m - 3( 250 - m ) = 90 ;
5m - 750 + 3m = 90 ;
8m = 840;
m = 840 ÷ 8 ;
m = 105( beads for Maria );
f = 250 - 105 ;
f = 145 ( beads for Farida ) ;
Ответ:
Summarize the article and discuss what role, if any, culture will play in the situation
Explanation Summarize the article and discuss what role, if any, culture will play in the situation: