Answer:
let seat as x,
and snack as y.
so the linear equation is 20x+5y=400.
X is 10
I have shown the calculation in the attachment.
Answer:
$65 is the original price
Step-by-step explanation:
65 x .8 = 52 which is 13 off
Answer:
divide 2 by three to know how many you can solve in one min= 2/3= .67
divide 12 by .67 to know how many you can solve in one min= 12/.67= 18.
You can solve 18 problems in 12 min!!
Step-by-step explanation: