Half of 90 is 45, and 1.4 of 90 is 22.6. so 45 plus 22.5 is 67.5. 90-67.5 22.5 so she has 22 dollars and 50 cents
Answer:
The mean is 7.1
The median IS NOT 1.6 (its 8)
The mode IS NOT 0 (its 8)
Step-by-step explanation:
Answer:

Step-by-step explanation:
Using the rule of exponents
×
⇔
thus
×
=
= 
Answer: n = 63
Step-by-step explanation:
1260/20 = n/1
63/1 = n/1
n = 63