Answer:
(8,8)
Step-by-step explanation:
As we know Conversion from fahrenheit to celsius is

We can write it also as

F as y and C as x then we can write it as
Subtract 24 from both sides (-45t=-8) then divide both sides by -45 (t=0.177)
Answer:
when she sold 10 cards, it will cover all her cost.
Step-by-step explanation:
Profit(without charge of booth)=5x-2x
Profit=3x-30
Calculating:
3x=30
x=10