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Mathematics 9 Online
OpenStudy (anonymous):

Two questions about percents? Please help!

OpenStudy (anonymous):

What percent of the total responses is Italian? What percent difference is there between the Italian group and ranch group?

OpenStudy (jim766):

how many were the total response?

OpenStudy (jim766):

add up the numbers around the pie chart

OpenStudy (anonymous):

140

OpenStudy (jim766):

15 chose italian

OpenStudy (jim766):

now divide people who chose italian by total people 15/ 140 =

OpenStudy (anonymous):

0.107?

OpenStudy (anonymous):

A pizza shop offers the topping shown below. How many three toppings pizzas can you make. pepperoni mushrooms sausage onion ham 6 10 4 5

OpenStudy (anonymous):

Is 15 for the first one?

OpenStudy (jim766):

right, now multiply that by 100 to change it to a percent

OpenStudy (anonymous):

@Jim766

OpenStudy (anonymous):

hmmm

OpenStudy (jim766):

right

OpenStudy (anonymous):

Is this for the first one? 15 people chose so

OpenStudy (jim766):

yes , 10.7 %

OpenStudy (anonymous):

A pizza shop offers the topping shown below. How many three toppings pizzas can you make. pepperoni mushrooms sausage onion ham 6 10 4 5

OpenStudy (jim766):

how many people chose ranch?

OpenStudy (anonymous):

32

OpenStudy (jim766):

right, now take 32 and divide by 140

OpenStudy (jim766):

32/140 =

OpenStudy (anonymous):

0.22

OpenStudy (anonymous):

0.23

OpenStudy (jim766):

good not mult by 100 to change to a %

OpenStudy (jim766):

*now

OpenStudy (anonymous):

23%

OpenStudy (jim766):

good, not they want the difference of italian% and ranch% 10.7% - 23% ignore the % signs just subtract them

OpenStudy (anonymous):

12.3

OpenStudy (jim766):

good, but dont forget the negative sign -12.3

OpenStudy (anonymous):

oops!

OpenStudy (anonymous):

You have been a major help tonight , thank you so much , You are a life saver.

OpenStudy (jim766):

yw

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