Answer:
$420.25
Step-by-step explanation:
Total earnings of the week

Answer:
growth
Step-by-step explanation:
This is of the form
y = ab^x where a is the initial value and b is either growth or decay
if b > 1 then it is growth
b <1 it is decay
a = .2
b = 4
Since b>1 it is growth
Answer:
6 6/25
Step-by-step explanation:
6 24/100 = 6 (6·4)/(25·4) = 6 6/25
_____
You reduce a fraction by removing the common factors from numerator and denominator. Of course, you know that 0.24 is twenty-four hundredths, also written as 24/100.
Answer: 
Step-by-step explanation:

Answer:
15a
Step-by-step explanation:
Because 5(a + a + a) = 5 * (3a) = 15a