Mathematics
9 Online
OpenStudy (anonymous):
Two questions about percents? Please help!
Join the QuestionCove community and study together with friends!
Sign Up
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
Join the QuestionCove community and study together with friends!
Sign Up
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
Join the QuestionCove community and study together with friends!
Sign Up
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 %
Join the QuestionCove community and study together with friends!
Sign Up
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 =
Join the QuestionCove community and study together with friends!
Sign Up
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%
Join the QuestionCove community and study together with friends!
Sign Up
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.
Join the QuestionCove community and study together with friends!
Sign Up
OpenStudy (jim766):
yw