Question

Five books on Lisa's reading list are fiction.

If this is 20% of her entire reading list, how many books does Lisa have in all?

Answers

Kalyn
would it be 15
Ms. Sue
Let's check that out.

15 * 0.2 = 3

Nope. That didn't work.

Let's try this.

0.2x = 5

Solve for x.

Kalyn
ok it will be 1
Kalyn
i got 1 at first but i did not understand it
Ms. Sue
1 doesn't make any sense.

0.2x = 5

x = 5 / 0.2

x = ?

Kalyn
please respond back have to go to BED!!!!!
Kalyn
well i don't understand it quite yet
Dee
She is telling you to divide 5 by 2.
Kalyn
that would be 2.5
Kalyn
am i right
Dee
sorry 0.2 .. its 25
Ms. Sue
No. How can 20 percent of 2.5 be 5?

Divide 5 by 0.2

Kalyn
it would be 25
Ms. Sue
Yes.
Kalyn
so there is 25 questions in total for this question'
Kalyn
Jack has 10 pens, 40% of them are red pens.



How many red pens does Jack have? Use the grids to solve.


pens
Ms. Sue
0.4x = 10

Divide 10 by 0.4

What do you get?

The Devil Cat
Guys it's 25 duh

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