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· ratio-2
Fractions & Ratios · Chaining ratios
AMC 8 style
●●○○○ 4/10
~3 min
⏱ 0:00
If
a
:
b
=
2
:
3
a:b = 2:3
a
:
b
=
2
:
3
and
b
:
c
=
4
:
5
b:c = 4:5
b
:
c
=
4
:
5
, and
c
=
45
c = 45
c
=
45
, what is
a
a
a
?
ratios
chaining
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