gavianacandelar8522
04.04.2022 •
Mathematics
The ratio of the number of dolls Jacky had to the number of dolls Peter had was 5 : 2 but, after Jacky gave 15 dolls to Peter, they have an equal number of dolls. How many dolls did they have altogether? PLS HELP MEEE
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Ответ:
35
Step-by-step explanation:
Jacky : x dolls
Peter : y dolls
x/y=5/2,x-15=y
x=5/2y->5/2y-y=15->y=10
x=y+15=25
x+y=35
Ответ: