Step-3

Title: Ratios

Grade: 1300-a Lesson: S4-L5

Explanation: Hello Students, time to practice and review the steps for the problem.

Lesson Steps

Step Type Explanation Answer

1

Problem

The equivalent of a ratio of 15:20 is __.

2

Step

Given the ratio

\$15 : 20\$

3

Step

First, write the given ratio as a fraction

\$15/20\$

4

Step

Multiply the same number of antecedent and the consequent by a positive integer

\$(15 \times 2)/(20 \times 2)\$ = \$30/40\$

5

Step

Represent this fraction in the ratio form

\$ 30 : 40 \$

6

SumUp

Can you summarize what you’ve understood in the above steps?

7

Choice.A

This is correct. After simplification, the given ratio of 15:20 is equivalent to 3 : 4

30 : 40

8

Choice.B

This is not the correct equivalent ratio; the order is reversed

40 : 30

9

Choice.C

Dividing both parts by 30 gives 1 : 2. Incorrect

30 : 60

10

Choice.D

Incorrect.This is not the simplified form, and it does not represent the equivalent ratio

45 : 40

11

Answer

Option

A

12

SumUp

Can you summarize what you’ve understood in the above steps?


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