Divide 12 by 72. this equals 6. then multiply. 7x6=47 3x6=18 and 5x6=30 there we go!
-1(3x-2y=27)
3x-y=24
-3x+2y=-27
+3x-y = 24
y=-3
3x-(-3)=24
3x+3=24
-3. -3
3x=21
/3. /3
X=7
Hope that helps
Answer:
The cost he will pay for 10 rides will be $70 and for r rides will be .
Step-by-step explanation: