2. Use the properties of arithmetic to make it easy for you to calculate 70% of 310 mentally. Write you equations in the following form: 70% x 310 = some expression = some expression
2. Use the properties of arithmetic to make it easy for you to calculate 70% of 310 mentally. Write you equations in the following form: 70% x 310 = some expression = some expression
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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![**Exercise 2: Mental Calculation with Percentages**
Use the properties of arithmetic to simplify the mental calculation of 70% of 310. Write your equations in the following form:
\[
70\% \times 310 = \text{some expression} \\
= \text{some expression} \\
\vdots
\]
This exercise encourages the use of arithmetic strategies to make percentage calculations more manageable without a calculator.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0e8e4384-845d-4e77-8936-233e84dfd8a4%2Ff4610dbc-8980-44ad-aee6-7da9a6a84dea%2F0qv61ck_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**Exercise 2: Mental Calculation with Percentages**
Use the properties of arithmetic to simplify the mental calculation of 70% of 310. Write your equations in the following form:
\[
70\% \times 310 = \text{some expression} \\
= \text{some expression} \\
\vdots
\]
This exercise encourages the use of arithmetic strategies to make percentage calculations more manageable without a calculator.
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