Question

help! :)

Answer 1

Jenny surveyed 40 students at her school and found that 0.55 of the students she surveyed said their favorite class is math. Another 25% of the students she surveyed reported that their favorite class is science. How many more students in the survey prefer math over science?

12
22
30
32

Answer 2

@jcoury

Answer 3

not sure

Answer 4

okay

Answer 5

i got c?

Answer 6

I prefer to work it out and not deflate the value of the answer by choosing the letters, which have nothing to do with math.

So let's work out the problem.
How many like math, and how many like science?

Answer 7

40 students at her school and found that 0.55 of the students like math

can you find how many like math ? (I would multiply 0.55 and 40)

Answer 8

they are saying 55% of 40 like math. How many is that ?

Answer 9

i got 22

Answer 10

yes,
then they say
25% of 40 like science. how many is that ?

Answer 11

ummmm i dont know... is it like 20?

Answer 12

25% of 40 means multiply \[ \frac{25}{100} \cdot 40\]

Answer 13

10

Answer 14

How many more students prefer math over science?
any idea ?

Answer 15

5?

Answer 16

they are asking if 22 like math and 10 like science, how many more like math than science?
do you know how to figure that out ?

Answer 17

no

Answer 18

to find how much bigger a number is from another number, subtract
big number minus small number

Answer 19

12

Answer 20

yes. 12 is the answer.

Answer 21

okay thanks :)

Answer 22

Ronny, Celina, Jack, and Michelle together placed a total of 20 brownies on a tray. Ronny placed 0.15 of the brownies, Celina placed 3 of the 20 brownies, Jack placed 30% of the brownies, and Michelle placed the remaining brownies. Who placed the most brownies?

Ronny
Celina
Jack
Michelle

Answer 23

total of 20 brownies
Ronny placed 0.15 of the brownies,
how many is that ? how would you figure it out ?

Answer 24

how do i solve that

Answer 25

0.15 of 20 brownies,
0.15 of 20
that means 0.15 times 20

Answer 26

10

Answer 27

0.15*20 is not 10

Answer 28

3

Answer 29

yes. so Ronny put down 3 brownies.
they say Celina placed 3

Jack placed 30% of the brownies,
how do you figure out how many Jack placed?

Answer 30

um.. 0.30 * 3?

Answer 31

close. 0.30 of 20

Answer 32

so 0.30 *20

Answer 33

yes

Answer 34

6

Answer 35

so far we know
Ronny put down 3 brownies.
Celina placed 3
Jack put 6

how many is that all together ?

Answer 36

9

Answer 37

try again. Ronny 3, Celine 3, Jack 6

Answer 38

15

Answer 39

what is 3+3+6?

Answer 40

12

Answer 41

Michelle placed the remaining brownies
if the other people put 12, how many did Michelle put (so that we get 20) ?
know how to figure that out?

Answer 42

8?

Answer 43

yes. Michelle put 8

so now we know
Ronny put 3.
Celina put 3
Jack put 6
Michelle put 8

who put the most?

Answer 44

michelle

Answer 45

that is the answer