D Would be the correct answer.
They took $10 from 10 people that saw and wanted to try the ad.
Answer:
answer is r=21
Step-by-step explanation:
multiply 1.5 with 14
Each postcard cost $0.24
15 postcards would cost $3.60
0.24x15=360
Move the decimal point and you have $3.60
Answer:
x= -8
Step-by-step explanation:
Since you know y=8 you plug it into the equation
-4x -8=24
you then add 8 to each side
-4x=32
then divide by -4
x=-8
