Abby, Bik, Cari, Dawn, and Ellen collect T-shirts. Abby has the most. Bik has 2.5 times as many T-shirts as Cari. Dawn has 1/3 a

Question

2 years ago

10

Abby, Bik, Cari, Dawn, and Ellen collect T-shirts. Abby has the most. Bik has 2.5 times as many T-shirts as Cari. Dawn has 1/3 a

s many T-shirts as Cari. Together, Abby, Bik, Cari, and Dawn have 120 T-shirts. Ellen noticed that she has double the number Dawn has, plus 1. If Ellen has 13 T-shirts, how many does Abby have?
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Mathematics

1 answer:

bixtya [17] · Answer 1 · 2022-09-23T01:17:20+03:00

bixtya [17]2 years ago

4 0

A=abby's shirts
b=bik's shirts
c=cari's shirts
d=dawn's shirts
e=ellen's shirts

a> everybody
b=2.5c
d=(1/3)c
a+b+c+d=120
e=2d+1
e=13
oook

e=13=2d+1
13=2d+1
12=2d
d=6

d=(1/3)c
6=(1/3)c
18=c

b=2.5c
b=2.5(18)
b=45

a+b+c+d=120
a+45+18+6=120
a+69=120
a=51