Asked by Kathy
Two more students like math than science
Half the number of students who like science like history.
The number of student who like reading equals the number who like math and science combined.
Two students like History.
How many children (12) like each subject
Half the number of students who like science like history.
The number of student who like reading equals the number who like math and science combined.
Two students like History.
How many children (12) like each subject
Answers
Answered by
Steve
just put the words into symbols:
m = s+2
h = s/2
r = m+s
h = 2
Now start substituting
since h=2, s=4
since s=4, m=6
now we know that r = 4+6 = 10
Don't know what the (12) at the end means.
m = s+2
h = s/2
r = m+s
h = 2
Now start substituting
since h=2, s=4
since s=4, m=6
now we know that r = 4+6 = 10
Don't know what the (12) at the end means.