Multiply the first equation by 2
2x + 2y =30
now we’ll add the second equation to the first equation
2x + 2y =30
-2x+5y= -2
7y=28
divide by 7
y=4
now plug y back into the first equation
x + 4 = 15
subtract 4
x=11
In 18 minutes its 120 because you find the unit
Answer:
Step-by-step explanation:
D is the answer
$367.80 because you have to add up the purchase the owe and the other one too, then you get your answer
