Answer:
$72
Step-by-step explanation:
one lb costs $12 so just multiply it by 6
Answer:
Bill received 13.68 change back.
Step-by-step explanation:
20-6.32=13.68
Step-by-step explanation:
y=6+4x, as equation (iii)
=> -5x-(6+4x)=21
=> -5x-6-4x=21
=> -5x-4x-6=21
=> -9x-6=21
=> -9x=21+6
=> -9x=27
x= -3, by dividing both sides by -9
So, by inserting x in the first equation,
=> -4(-3)+y=6
=> 12+y=6
=> y=6-12
=> y= -6.
Therefore, x= -3 and y= -6
Answer:
1:7
Step-by-step explanation:
One day out of the week (1/7)
If she burned the same number of calories every day, this should be the answer.
