satnav12321 satnav12321
  • 04-02-2021
  • Mathematics
contestada

There are 220 students in year 9.
There are 20% more boys then girls.
a) How many boys are there in year 9
b) How many girls there in year 9

Respuesta :

danielelmore18
danielelmore18 danielelmore18
  • 04-02-2021
20% of 220 is 44 people so if you divide 220 by 2 you have 110 of each then add 44 to one and subtract 44 from the other the answer to a is 154 and the answer to b is 66
Answer Link

Otras preguntas

if angle ABC=2x and angle CBD=4x and they are a linear pair, solve for x
Polyatomic ions are built upon the idea of
If you have a triangle and the first two measures are 102 and 28, what is the missing measure in the triangle
I need help with number 9 please thank you
Calc BC Problem. No random answers plz
How do doctors detect abnormalities in patients with the help of an EKG? A. by determining changes in the heartbeat B. by determining changes in blood pressur
what process is used by the cell to move the molecules from outside the cell to inside the cell
Can you answer this -What practical effect does Discovery impose on the Right of Occupancy? copy and paste this into a new tab its the notes https://docs. googl
What major river did most Natives have to cross to get to their new territory
what is meant by people as resource​