Answer:
$54
Step-by-step explanation:
Convert 20% into decimal which is .20
$45x.20= $9
so 9 dollars was the tip. So you add the bill to the tip
$45+$9=$54
Answer:
$462.5
Step-by-step explanation:
Given the cost function expressed as;
C = 37000/100−p
To get C(20), we will substitute p = 20 into the expression and get C as shown;
C(20) = 37000/100-20
C(20) = 37000/80
C(20) = 462.5
Hence the cost needed to clean 20% of the stream is $462.5
Answer:
45
Step-by-step explanation:
x - 7 = 38
add 7 to both sides to get the variable by itself
x = 45
The perimeter would be C. twice as great
Mom had 6 pounds of cookies. This would feed 3 children for 20 minutes. yet 4 more children showed up. In how many minutes will 6 pounds of food be devoured now?