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

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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

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