Answer: $20.30
Step-by-step explanation:
First we must find Mary's total.
3kg × $9.90/kg = $29.70
She gave the cashier $50. So we subtract the total from that to determine the amount of cash or change she should get back.
$50 - $29.70 = $20.30
Answer:
Step-by-step explanation:
X<2>y=4
Answer:
59.9 words per minute
Step-by-step explanation:
You can round it to 60.
6 7
Go up 6
And to the right 7
So coordinates 6 , 7
Answer:
x=45
Step-by-step explanation:
Angles on a line equal 180
2x+90=180
Subtract 90 on both sides
2x=90
Divide by 2 on both sides
x= 45