232 algebra De mystif ieD
PRACTICE
- 2 is what percent of 5?
- 5 is what percent of 2?
- 3 is what percent of 15?
- 15 is what percent of 3?
- 1.8 is what percent of 18?
- 18 is what percent of 1.8?
- 41 is what percent of 2?
- 2 is what percent of^14?
✔SOLUTIONS
- 52
2
5
04040
x
x
=
==.%=
2 is 40% of 5.
- 25
5
2
25 250
x
x
=
== =.%
5 is 250% of 2.
- 15 3
3
15
1
5
02020
x
x
=
====.%
3 is 20% of 15.
- 315
15
3
5 500
x
x
=
=== %
15 is 500% of 3.
- 18 18
18
18
1810
18 10
18
180
01010
x
x
x
x
=
=
=
===
.
.
.( )
()
.%
1.8 is 10% of 18.
PRACTICE
- 2 is what percent of 5?