the subject is algebra

Algebra
Tutor: None Selected Time limit: 1 Day

a fitness club offers two water aerobics classes.there are currently 40 people regularly going to the morning class,and attendance is increasing at a rate of 2 people per month. there are currently 22 people regularly going to the evening and attendance is increasing at a rate of 8 people per month.predict when the number of people in each class will be the same ?

May 6th, 2015

40 for morning class, attendance increase of 2 per month

evening   people are 22, the rate is increasing by 8 per month.

the equation

x+2x=40

x+8y=22

-5y=18

y=18/-5

in this class -18/5*40

18*5=80




May 6th, 2015

what does that little star mean this (*)

May 6th, 2015

it means multiplication

May 6th, 2015

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