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Interest (Simple) - Time from Interest, Principle, and Rate (Level 3)

The topics in this unit focus on introducing simple interest, principle, rate, and time, and how to calculate any of them given the others. Work on practice problems directly here, or download the printable pdf worksheet to practice offline.

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Interest (Simple) - Time from Interest, Principle, and Rate

Complete these online problems with 80% or 4 correct answers in a row. Results are immediate.

What is the time in this simple interest situation?

Principle =$800Interest =$160Rate =10%Time =?yrs\begin{align*}\text{Principle } &= \$800\\ \text{Interest } &= \$160\\ \text{Rate } &= 10\%\\ \\ \text{Time } &= ?\text{yrs}\end{align*}

Interest (Simple) - Time from Interest, Principle, and Rate Worksheet

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Math worksheet on 'Interest (Simple) - Time from Interest, Principle, and Rate (Level 3)'. Part of a broader unit on 'Percents and Simple Interest - Practice' Learn online: app.mobius.academy/math/units/percents_and_simple_interest_practice/
1
What is the time in this simple interest situation?
A LaTex expression showing \begin{align*}\text{Principle } &= \$900\\ \text{Interest } &= \$1575\\ \text{Rate } &= 25\%\\ \\ \text{Time } &= ?\text{yrs}\end{align*}
a
7
b
12
c
5
d
9
e
1
f
8
2
What is the time in this simple interest situation?
A LaTex expression showing \begin{align*}\text{Principle } &= \$800\\ \text{Interest } &= \$960\\ \text{Rate } &= 15\%\\ \\ \text{Time } &= ?\text{yrs}\end{align*}
a
12
b
1
c
16
d
8
e
7
f
4
3
What is the time in this simple interest situation?
A LaTex expression showing \begin{align*}\text{Principle } &= \$400\\ \text{Interest } &= \$960\\ \text{Rate } &= 30\%\\ \\ \text{Time } &= ?\text{yrs}\end{align*}
a
7
b
6
c
10
d
1
e
8
f
2
4
What is the time in this simple interest situation?
A LaTex expression showing \begin{align*}\text{Principle } &= \$800\\ \text{Interest } &= \$320\\ \text{Rate } &= 20\%\\ \\ \text{Time } &= ?\text{yrs}\end{align*}
a
5
b
6
c
11
d
2
e
4
f
1
5
What is the time in this simple interest situation?
A LaTex expression showing \begin{align*}\text{Principle } &= \$500\\ \text{Interest } &= \$300\\ \text{Rate } &= 30\%\\ \\ \text{Time } &= ?\text{yrs}\end{align*}
a
2
b
5
c
9
d
6
e
8
f
3
6
What is the time in this simple interest situation?
A LaTex expression showing \begin{align*}\text{Principle } &= \$700\\ \text{Interest } &= \$630\\ \text{Rate } &= 15\%\\ \\ \text{Time } &= ?\text{yrs}\end{align*}
a
9
b
8
c
5
d
4
e
14
f
6
7
What is the time in this simple interest situation?
A LaTex expression showing \begin{align*}\text{Principle } &= \$300\\ \text{Interest } &= \$420\\ \text{Rate } &= 35\%\\ \\ \text{Time } &= ?\text{yrs}\end{align*}
a
13
b
10
c
8
d
6
e
5
f
4