Mrs.collins is organizing a school trip. 120 students are going on the trip. the ratio of the number of the staff to the number of students must be 1:15. Mrs Collins book three coaches for the trip. each coach has 42 seats. Are there enough seats for all the students and the staff?. pls show the working
Stacey Warren - Expert brainly.com
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so if there are 120 students and the ratio of staff to students is 1:15
then how to solve the number of staff?
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nope no idea
so in this case number of staff is proportion to number of student by a ratio of 1:15
so 1 is proportion to 15 as if what is proportion to what?
remember number of staff i let it to be x and number of student is given to be 120
we get x=8 (teachers)
but student+teachers, i.e, 120+8=128
it is essentially saying if there are 15 student then 1 staff is taking care of them, now there are 120 students, how many staff is needed to take care of those 120 students?
I get it now, thank you :D
So what is it? :D
So this is wat I did
now for coaches
so its not enough they need 2 more seats