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

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

Into which of the following is another substance dissolved? A. Solvent • B. Solute c. Dissolute D. Precipitate

calculate no of seconds in one week

I need help with this math suff, its um Solving Inequalities, yeah :|

what is the measure of an interior angle of a regular polygon with 90 sides

expansion of idea sympathy is not as good as empathy

1.2 Describe how external factors influence their own work role earning

Connect In “Occupy LSX . . . ,” it’s mentioned that some of the protesters wore Guy Fawkes masks. What were the masks a reference to?

5 dicided by 4 in a form of a decimal

What is the answer to number one

A package of party favors contains 14 favors, of which 7 are glitter balls. What is the probability that a randomly selected favor will be a glitter ball?