He is incorrect because each number is in a different place and those different places are worth more or less than the other places
Let the total earnings be = x
Jennifer and Chris split the earnings in the ratio 3:2
Jennifer earned = $48


x=80
Hence total earnings are $80
(a) Chris earning is = 
Hence, Chris earns $32
(b) Jennifer spends 30% of her earnings on a book.
So, price of the book = 
Price of book = $14.40
(c) Jennifer also buys a magazine for = $5.40
So, total money Jennifer spent on book and magazine = 14.40+5.40=19.80
Money left with Jennifer = 48-19.80= $28.20
In fractions =
or multiplying the numerator and denominator by 10, we get
=
(d) Let the original price of the shirt = x
reduction percentage on x= 40%
Price paid after reduction = 16.80



Hence, the original price of the shirt was $42.
Answer:
9d = the cost of the tennisballs
Step-by-step explanation:
Answer:
the answer is (x – 4)(x2 + 4x + 16).
<h3>
Answer: 
</h3>
======================================================
Explanation:
Both legs are the same length, as indicated by the tickmark.
- a =

- b =

- c = x
Use the pythagorean theorem to solve for x
