Question

A school offers hockey and basketball. 300 students were surveyed.
120 students play hockey, only
90 students play basketball, only
30 students do not participate in either.
Hoe many students play both hockey and baskeball??
Can someone go through this step by step with a venn diagram? this is on my test but i keep getting the wrong answer thanks!

Answer 1

just be careful not to count the people who play both sports twice

Answer 2

ii did and i got the right number for both but idk something keeps happening so it doesn't add up to 300

Answer 3

a total of 300 peopl

that just means 120+90+30+x=300

solve for x

Answer 4

i cant use algerbra for it

Answer 5

algebra *

Answer 6

fine, pretend the x isnt there

300-120-90-30 = number of people who play both sports

Answer 7

need i explain it further?

Answer 8

yeah i did that but can you do the rest and ill see where i messed up?

Answer 9

i only see one question

whats the other?

Answer 10

how many people play hockey total?
how many people play basketball total?

Answer 11

thats the only question but idk how to solve it without algebra

Answer 12

well yeah i still need the numbers for the hockey and basketball

Answer 13

300-120-90-30 = 60

80 people play both sports

its arithematic, not algebra

we start with 300 people, 120 play onlyhockey meaning

180 people play basketball or dont play a sport, or both sports

30 people dont play a sport meaning

150 people play basketball or both sports

90 people play only basketball

leaving only 60 people that play both sports

Answer 14

if you wanted to find the total amount of people who play basket ball,

take the amount of people who play only basketball, and then add it to the number of people who play both sports

same for hockey

Answer 15

the only thing i dont understand is why you subtract all the numbers in the beginning the rest i understand

Answer 16

ok, think of it like this

say i have 10 apples, they are either yellow or red

there are 6 red apples, how many yellow apples are there

you would subtract in order to determine the number of yellow apples

now think of it in terms of people

Answer 17

sorry i gotta go to class, i hope i answered your question

Answer 18

thanks so muchh