Proportions Worksheet Answer Key ; Proportions
Proportions Worksheet Answer Key
Proportions D2
=
NB D
;
Proportions
=
NBD
Evaluate.
1.
3 4
=
x 45
4 ? x = 3 ? 45
=
x=
135 4
.
2.
x 9
=
2 3
3?x=2?9
=
x=
18 3
= 6.
3.
2 x
=
1 12
2 ? 12 = 1 ? x = 24 = x.
4.
3 2
=
45 a
3a = 8 ? 45 = a = 120.
5.
22 2.4
=
a 6
22 ? 6 = 2.4a
=
a=
132 2.4
= 55.
6.
13 a
=
39 50
13 ? 50 = 39a
=
a=
650 39
.
Is each pair of proportions below equivalent?
7.
4 5
and
20 25
20 25
=
4 5
.
Yes.
8.
2 3
and
32 48
32 48
=
8 12
=
4 6
=
2 3
.
Yes.
9.
9 15
and
30 150
9 15
=
3 5
and
30 150
=
3 15
.
No.
10.
120 144
and
8 64
120 144
=
10 12
=
5 6
and
8 64
=
1 8
.
No.
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