Question

Which of the following could be the numbers of left-handed and right-handed students at West Junior

High?
Choose 2 answers:
Left-handed: 42
Right-handed: 483
Left-handed: 28
Right-handed: 378
с
Left-handed: 48
Right-handed: 504
Left-handed: 56
Right-handed: 560
Left-handed: 30
Right-handed: 315

Answer 1

The anwers Is C and E.

Explanation:

A relationship between two quantities is proportional if the ratio between those quantities is always equivalent.

Hint #22 / 4

Let's look at the ratio between right- and left-handed students at East Middle School.

6

0

9

right

5

8

left

=

1

0

.

5

right per left

58left

609right

​ =10.5 right per left

At East Middle School, there are

1

0

.

5

10.5 right-handed students for every left-handed student.

Hint #33 / 4

Now we can compare the other combinations of values for left-handed and right-handed students. Which ratios are equivalent to the ratio at East Middle School?

So the anwers is C AND E