Sorry I am not sure but I think it’s the last one
Answer:
(1,5)
Step-by-step explanation:
x:
6-5=1
y:
7-2=5
Add 8 to both sides
-4a /5= 10
Multiply both sides by 5
-4a= 50
A= - 12.5
Answer:
22/3
Step-by-step explanation:
Each pink marble is 90 cents. One blue marble is a third the price of a pink marble, and since yang bought 3 times more blue marbles than pink ones, the total prices are equal. Then you account for the difference between the costs. I'm not good at explaining, hope this helped