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let's define our variables let a = number of alternative schools let c = number of charter schools with me so far?
yes i am
ok, it says that ""number of charter schools is 4 less than twice the number of alternative schools." so c = 2a - 4, with me so far?
yep. thats what ive already done though.
ok, it also says that the number of charter schools is 48 so we have: c = 2a - 4 48 = 2a - 4 do you know how to solve for a now?
uh- sorry you lost me, 2a would be 2*48 right? and that makes 94? but then take away 4 to get 90? but there is not an option for that
noope, not quite
we don't know what a is yet, that's what we want to find
our equation is 48 = 2a - 4 start by adding 4 to each side.
ooohh okay so adding five 52=2a-8?
nope, not quite.
2a-4+4 = ?
4+4= 8 2a-8?
nope -4+4 = ?
ooooh crud -4 sorry so 0 (im sorry im not the smartest ;-;)
don't apologize, you're doing fine :) so 2a-4+4 = 2a now we have 2a = 52 divide both sides by 2 to find a
good! that's our answer ~
oh that makes a lot more sense then what i was doing thank you so much