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?
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.
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 = ?
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
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
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?
Divide 10 by 0.4
What do you get?
The Devil Cat
Guys it's 25 duh