2n-12=9+n you rearrange the variables to what the equation says
30(x)<=145 and yes she would be able to make 4 bracelets because 30 x 4 = 120 and that is less than 145
Do x divided by b on both sides and then add a on both sides. :)
Price for <span>roller coaster ride:x
</span><span>Prices for the entry fee:y
</span><span>From table: for 5 rides total price is $35: 5x+y=35
for 11 rides total price is $59: 11x+y=59
</span><span>5x+y=35⇒y=35-5x
</span><span>11x+y=59
y=35-5x
11x+35-5x=59⇒6x=59-35
y=35-5x
6x=24⇒x=24/6
x=4⇒y=35-5*4
y=15
Price for entry fee is $15, </span><span>and for each roller coaster ride $4.</span>